6,740,392

Surface barriers for copper and silver interconnects produced by a damascene process

No

Micron Technology, Inc.

Boise, ID

Farrar; Paul A.

Bluffton, SC

April 15, 2003

May 25, 2004

6,638,474

method of making cemented carbide tool

6,638,474

Yes

CROSS-REFERENCE TO EARLIER PATENT APPLICATION This patent application is a continuation-in-part to pending U.S. patent application Ser. No. 09/534,710 filed on Mar. 24, 2000 for a CEMENTED CARBIDE TOOL AND METHOD OF MAKING by Liu et al.

Kennametal Inc.

Latrobe, PA

Liu; Yixiong:Botbyl; Donald A.:Grab; George P.:Greenfield; Mark S.

Greensburg, PA:Greensburg, PA:Greensburg, PA:Greensburg, PA

March 19, 2001

October 28, 2003

6,612,787

Chromium-containing cemented tungsten carbide coated cutting insert

6,612,787

No

Kennametal Inc.

Latrobe, PA

North; Bernard:Jindal; Prem C.

Greensburg, PA:Greensburg, PA

August 11, 2000

September 2, 2003

6,402,502

Thermally conductive hub bushing

6,402,502

No

Richter Precision, Inc.

East Petersburg, PA

Selems; Michael J.:Richter; J. Hans:Peinhardt; Jeffrey C.:Madoksky; Yury

Terre Haute, IN:Lancaster, PA:Quarryville, PA:Lancaster, PA

August 4, 2000

June 11, 2002

6,319,460

Metal-matrix diamond or cubic boron nitride composites

6,319,460

Yes

CROSS-REFERENCE TO RELATED APPLICATIONS This is a division of application Ser. No. 09/266,111 filed on Mar. 10, 1999 now U.S. Pat. No. 6,106,957, which application itself claims priority from provisional application No. 60/078,553 filed on Mar. 19, 1998.

Smith International, Inc.

Houston, TX

Fang; Zhigang

The Woodlands, TX

August 10, 2000

November 20, 2001

6,187,421

Coated tool of cemented carbide

6,187,421

No

Sumitomo Electric Industries, Ltd.

Osaka, JP

Moriguchi; Hideki:Ikegaya; Akihiko:Yamagata; Kazuo

Hyogo, JP:Hyogo, JP:Hyogo, JP

June 28, 1999

February 13, 2001

5,958,569

Anchored oxide coatings on hard metal cutting tools

5,958,569

Yes

This application claims benefit of provisional application 60/005,952, filed Oct. 27, 1995.

Teledyne Industries, Inc.

Lavergne, TN

Leverenz; Roy V.:Bost; John

Smyrna, TN:Franklin, TN

June 16, 1997

September 28, 1999

5,766,742

Cutting blade made of titanium carbonitride-base cermet, and cutting blade made of coated cermet

5,766,742

No

Mitsubishi Materials Corporation

Tokyo, JP

Nakamura; Seiichiro:Fujisawa; Takafumi:Teruuti; Kiyohiro:Tsujisaki; Hisafumi:Nonaka; Masanao

Ishige-machi, JP:Ishige-machi, JP:Ishige-machi, JP:Ishige-machi, JP:Ishige-machi, JP

October 31, 1996

June 16, 1998

5,597,543

Spherical nitride

5,597,543

No

Treibacher Industrie AG

Treibach, AT

Zeiringer; Hans

Kappel/Krappfeld, AT

July 17, 1995

January 28, 1997

5,326,731

Ceramic compositions for wear resistant applications

5,326,731

No

Electrofuel Manufacturing Company

Toronto, CA

Bhola; Rakesh:Dasgupta; Sankar:Jacobs; James K.

Toronto, CA:Toronto, CA:Toronto, CA

November 18, 1993

July 5, 1994

5,250,367

Binder enriched CVD and PVD coated cutting tool

5,250,367

No

Kennametal Inc.

Latrobe, PA

Santhanam; Anakkavur T.:Godse; Rajendra V.:Grab; George P.:Quinto; Dennis T.:Undercoffer; Kenneth E.:Jindal; Prem C.

Monroeville, PA:Greensburg, PA:Greensburg, PA:Greensburg, PA:Greensburg, PA:Greensburg, PA

September 17, 1990

October 5, 1993

5,075,181

High hardness/high compressive stress multilayer coated tool

5,075,181

No

Kennametal Inc.:Balzers Limited

Latrobe, PA:LI

Quinto; Dennis T.:Kaufmann; Helmut J.

Greensburg, PA:Triesen, LI

May 5, 1989

December 24, 1991

4,424,066

Alumina coated composite silicon aluminum oxynitride cutting tools

4,424,066

No

GTE Laboratories Incorporated

Waltham, MA

Sarin; Vinod K.:Buljan; Sergej-Tomislav

Lexington, MA:Acton, MA

May 20, 1982

January 3, 1984

4,406,670

Nitride coated composite modified silicon aluminum oxynitride cutting tools

4,406,670

No

GTE Laboratories Incorporated

Waltham, MA

Sarin; Vinod K.:Buljan; Sergej-Tomislav

Lexington, MA:Acton, MA

May 20, 1982

September 27, 1983

4,406,669

Carbonitride coated composite modified silicon aluminum oxynitride cutting tools

4,406,669

Yes

CROSS-REFERENCE TO RELATED APPLICATIONS This application contains subject matter related to matter disclosed and claimed in copending patent application, Ser. No. 128,070 filed Mar. 7, 1980, now abandoned entitled "Abrasion Resistant Silicon Nitride Based Articles" and in the following copending applications filed concurrently herewith, all assigned to the assignee of the present application: Application Ser. No. 380,364 entitled "Composite Ceramic Cutting Tool"; Application Ser. No. 380,361 entitled "Process for Making a Modified Silicon Aluminum Oxynitride Based Composite Cutting Tool"; Application Ser. No. 380,364, entitled "Carbide Coated Silicon Nitride Cutting Tools"; Application Ser. No. 380,363, entitled "Alumina Coated Silicon Nitride Cutting Tools"; Application Ser. No. 380,381, entitled "Carbonitride Coated Silicon Nitride Cutting Tools"; Application Ser. No. 380,383, entitled "Nitride Coated Silicon Nitride Cutting Tools"; Application Ser. No. 380,362, entitled "Carbide Coated Composite Silicon Nitride Cutting Tools"; Application Ser. No. 380,379, entitled "Alumina Coated Composite Silicon Nitride Cutting Tools"; Application Ser. No. 380,382, entitled "Carbonitride Coated Composite Silicon Nitride Cutting Tools"; Application Ser. No. 380,380, entitled "Nitride Coated Composite Silicon Nitride Cutting Tools"; Application Ser. No. 380,387, entitled "Carbide Coated Composite Modified Silicon Aluminum Oxynitride Cutting Tools"; Application Ser. No. 380,388, entitled "Alumina Coated Composite Modified Silicon Aluminum Oxynitride Cutting Tools"; Application Ser. No. 380,452, entitled "Nitride Coated Composite Modified Silicon Aluminum Oxynitride Cutting Tools".

GTE Laboratories Incorporated

Waltham, MA

Sarin; Vinod K.:Buljan; Sergej-Tomislav

Lexington, MA:Acton, MA

May 20, 1982

September 27, 1983

4,169,913

Coated tool steel and machining tool formed therefrom

4,169,913

No

Sumitomo Electric Industries, Ltd.

JP

Kobayashi; Mitsunori:Doi; Yoshihiko:Tobioka; Masaaki:Yamamoto; Takaharu

Itami, JP:Itami, JP:Itami, JP:Itami, JP

March 1, 1978

October 2, 1979

Classification	Number	Url	PMD	Priority	Assignee	Assignee Loc	Inventor(s)	Inventor Loc(s)	Filing Date	Issued Date
	6,740,392	Surface barriers for copper and silver interconnects produced by a damascene process	6,740,392	No	Micron Technology, Inc.	Boise, ID	Farrar; Paul A.	Bluffton, SC	April 15, 2003	May 25, 2004
	6,638,474	method of making cemented carbide tool	6,638,474	Yes CROSS-REFERENCE TO EARLIER PATENT APPLICATION This patent application is a continuation-in-part to pending U.S. patent application Ser. No. 09/534,710 filed on Mar. 24, 2000 for a CEMENTED CARBIDE TOOL AND METHOD OF MAKING by Liu et al.	Kennametal Inc.	Latrobe, PA	Liu; Yixiong:Botbyl; Donald A.:Grab; George P.:Greenfield; Mark S.	Greensburg, PA:Greensburg, PA:Greensburg, PA:Greensburg, PA	March 19, 2001	October 28, 2003
	6,612,787	Chromium-containing cemented tungsten carbide coated cutting insert	6,612,787	No	Kennametal Inc.	Latrobe, PA	North; Bernard:Jindal; Prem C.	Greensburg, PA:Greensburg, PA	August 11, 2000	September 2, 2003
	6,402,502	Thermally conductive hub bushing	6,402,502	No	Richter Precision, Inc.	East Petersburg, PA	Selems; Michael J.:Richter; J. Hans:Peinhardt; Jeffrey C.:Madoksky; Yury	Terre Haute, IN:Lancaster, PA:Quarryville, PA:Lancaster, PA	August 4, 2000	June 11, 2002
	6,319,460	Metal-matrix diamond or cubic boron nitride composites	6,319,460	Yes CROSS-REFERENCE TO RELATED APPLICATIONS This is a division of application Ser. No. 09/266,111 filed on Mar. 10, 1999 now U.S. Pat. No. 6,106,957, which application itself claims priority from provisional application No. 60/078,553 filed on Mar. 19, 1998.	Smith International, Inc.	Houston, TX	Fang; Zhigang	The Woodlands, TX	August 10, 2000	November 20, 2001
	6,187,421	Coated tool of cemented carbide	6,187,421	No	Sumitomo Electric Industries, Ltd.	Osaka, JP	Moriguchi; Hideki:Ikegaya; Akihiko:Yamagata; Kazuo	Hyogo, JP:Hyogo, JP:Hyogo, JP	June 28, 1999	February 13, 2001
	5,958,569	Anchored oxide coatings on hard metal cutting tools	5,958,569	Yes This application claims benefit of provisional application 60/005,952, filed Oct. 27, 1995.	Teledyne Industries, Inc.	Lavergne, TN	Leverenz; Roy V.:Bost; John	Smyrna, TN:Franklin, TN	June 16, 1997	September 28, 1999
	5,766,742	Cutting blade made of titanium carbonitride-base cermet, and cutting blade made of coated cermet	5,766,742	No	Mitsubishi Materials Corporation	Tokyo, JP	Nakamura; Seiichiro:Fujisawa; Takafumi:Teruuti; Kiyohiro:Tsujisaki; Hisafumi:Nonaka; Masanao	Ishige-machi, JP:Ishige-machi, JP:Ishige-machi, JP:Ishige-machi, JP:Ishige-machi, JP	October 31, 1996	June 16, 1998
	5,597,543	Spherical nitride	5,597,543	No	Treibacher Industrie AG	Treibach, AT	Zeiringer; Hans	Kappel/Krappfeld, AT	July 17, 1995	January 28, 1997
	5,326,731	Ceramic compositions for wear resistant applications	5,326,731	No	Electrofuel Manufacturing Company	Toronto, CA	Bhola; Rakesh:Dasgupta; Sankar:Jacobs; James K.	Toronto, CA:Toronto, CA:Toronto, CA	November 18, 1993	July 5, 1994
	5,250,367	Binder enriched CVD and PVD coated cutting tool	5,250,367	No	Kennametal Inc.	Latrobe, PA	Santhanam; Anakkavur T.:Godse; Rajendra V.:Grab; George P.:Quinto; Dennis T.:Undercoffer; Kenneth E.:Jindal; Prem C.	Monroeville, PA:Greensburg, PA:Greensburg, PA:Greensburg, PA:Greensburg, PA:Greensburg, PA	September 17, 1990	October 5, 1993
	5,075,181	High hardness/high compressive stress multilayer coated tool	5,075,181	No	Kennametal Inc.:Balzers Limited	Latrobe, PA:LI	Quinto; Dennis T.:Kaufmann; Helmut J.	Greensburg, PA:Triesen, LI	May 5, 1989	December 24, 1991
	4,424,066	Alumina coated composite silicon aluminum oxynitride cutting tools	4,424,066	No	GTE Laboratories Incorporated	Waltham, MA	Sarin; Vinod K.:Buljan; Sergej-Tomislav	Lexington, MA:Acton, MA	May 20, 1982	January 3, 1984
	4,406,670	Nitride coated composite modified silicon aluminum oxynitride cutting tools	4,406,670	No	GTE Laboratories Incorporated	Waltham, MA	Sarin; Vinod K.:Buljan; Sergej-Tomislav	Lexington, MA:Acton, MA	May 20, 1982	September 27, 1983
	4,406,669	Carbonitride coated composite modified silicon aluminum oxynitride cutting tools	4,406,669	Yes CROSS-REFERENCE TO RELATED APPLICATIONS This application contains subject matter related to matter disclosed and claimed in copending patent application, Ser. No. 128,070 filed Mar. 7, 1980, now abandoned entitled "Abrasion Resistant Silicon Nitride Based Articles" and in the following copending applications filed concurrently herewith, all assigned to the assignee of the present application: Application Ser. No. 380,364 entitled "Composite Ceramic Cutting Tool"; Application Ser. No. 380,361 entitled "Process for Making a Modified Silicon Aluminum Oxynitride Based Composite Cutting Tool"; Application Ser. No. 380,364, entitled "Carbide Coated Silicon Nitride Cutting Tools"; Application Ser. No. 380,363, entitled "Alumina Coated Silicon Nitride Cutting Tools"; Application Ser. No. 380,381, entitled "Carbonitride Coated Silicon Nitride Cutting Tools"; Application Ser. No. 380,383, entitled "Nitride Coated Silicon Nitride Cutting Tools"; Application Ser. No. 380,362, entitled "Carbide Coated Composite Silicon Nitride Cutting Tools"; Application Ser. No. 380,379, entitled "Alumina Coated Composite Silicon Nitride Cutting Tools"; Application Ser. No. 380,382, entitled "Carbonitride Coated Composite Silicon Nitride Cutting Tools"; Application Ser. No. 380,380, entitled "Nitride Coated Composite Silicon Nitride Cutting Tools"; Application Ser. No. 380,387, entitled "Carbide Coated Composite Modified Silicon Aluminum Oxynitride Cutting Tools"; Application Ser. No. 380,388, entitled "Alumina Coated Composite Modified Silicon Aluminum Oxynitride Cutting Tools"; Application Ser. No. 380,452, entitled "Nitride Coated Composite Modified Silicon Aluminum Oxynitride Cutting Tools".	GTE Laboratories Incorporated	Waltham, MA	Sarin; Vinod K.:Buljan; Sergej-Tomislav	Lexington, MA:Acton, MA	May 20, 1982	September 27, 1983
	4,169,913	Coated tool steel and machining tool formed therefrom	4,169,913	No	Sumitomo Electric Industries, Ltd.	JP	Kobayashi; Mitsunori:Doi; Yoshihiko:Tobioka; Masaaki:Yamamoto; Takaharu	Itami, JP:Itami, JP:Itami, JP:Itami, JP	March 1, 1978	October 2, 1979