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USPTO Patent Rankings Data through Dec 31, 2025
JT

John A. Tyrell — 68 Patents

GE: 44 patents #344 of 36,430Top 1%
ELEquistar Chemicals, Lp: 10 patents #22 of 250Top 9%
OCOccidental Chemical: 7 patents #35 of 341Top 15%
LPLyondell Petrochemical: 4 patents #2 of 32Top 7%
ATArco Chemical Technology: 1 patents #171 of 285Top 60%
General Motors: 1 patents #9,441 of 18,328Top 55%
Greenwood, IN: #2 of 649 inventorsTop 1%
Indiana: #160 of 33,936 inventorsTop 1%
Overall (All Time): #30,786 of 4,157,543Top 1%
68 Patents All Time
John A. Tyrell has been granted 68 US patents while listed as an inventor at GE. The first was granted in 1982 and the most recent in September 2004. John A. Tyrell ranks #30,786 of 4,157,543 US inventors in our database (top 0.74%). Patent records list John A. Tyrell in Greenwood, IN, US.

Issued Patents All Time

Showing 1–25 of 68 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6790918 Transition metal catalysts containing bidentate ligands and method of using and preparing same Sandor Nagy, Leonard V. Cribbs, Bradley P. Etherton, Mary Cocoman, Ramesh Krishnamurti 2004-09-14
6759493 Transition metal catalysts containing bidentate ligands and method of using and preparing same Sandor Nagy, Leonard V. Cribbs, Bradley P. Etherton, Mary Cocoman, Ramesh Krishnamurti 2004-07-06
6462153 Method of polymerizing vinyl chloride monomer Sandor Nagy 2002-10-08 $54,551,000
6376629 Single-site catalysts for olefin polymerization Sandor Nagy, Bradley P. Etherton, Ramesh Krishnamurti 2002-04-23
6281308 Olefin polymerization catalysts containing amine derivatives Sandor Nagy, Bradley P. Etherton, Ramesh Krishnamurti 2001-08-28
6232260 Single-site catalysts for olefin polymerization Sandor Nagy, Bradley P. Etherton, Ramesh Krishnamurti 2001-05-15
6218496 Polyimidesiloxane adhesive Jerold C. Rosenfeld, Sergio R. Rojstaczer 2001-04-17 $46,224,000
6218486 Method of polymerizing vinyl chloride monomer using an organocobalt (III) catalyst Sandor Nagy 2001-04-17 $46,224,000
6204216 Olefin polymerization catalysts containing amine derivatives Sandor Nagy, Bradley P. Etherton, Ramesh Krishnamurti 2001-03-20
6121183 Modified polysiloxane catalysts and a method of using the same Leonard V. Cribbs, Sandor Nagy 2000-09-19
6114270 Polymerization-stable anionic ancillary ligand containing alkylimido catalysts and method of using the same Ramesh Krishnamurti, Sandor Nagy, Bradley P. Etherton 2000-09-05
6077806 Catalyst system containing reaction product of liquid silicone and polyamine Leonard V. Cribbs, Sandor Nagy 2000-06-20
6008394 Sulfonyl catalysts and method of using the same Sandor Nagy, Bradley P. Etherton 1999-12-28 $6,879,000
5914408 Olefin polymerization catalysts containing benzothiazole Ramesh Krishnamurti, Sandor Nagy, Bradley P. Etherton 1999-06-22
5756611 .alpha.-olefin polymerization catalysts Bradley P. Etherton, Ramesh Krishnamurti, Sandor Nagy 1998-05-26 $18,192,000
5747404 Polysiloxane supported metallocene catalysts Sandor Nagy 1998-05-05 $21,837,000
5744417 Supported catalyst Sandor Nagy 1998-04-28 $18,588,000
5637660 Polymerization of .alpha.-olefins with transition metal catalysts based on bidentate ligands containing pyridine or quinoline moiety Sandor Nagy, Ramesh Krishnamurti, Leonard V. Cribbs, Mary Cocoman 1997-06-10 $3,272,000
5554684 Forming polyimide coating by screen printing Jin-O Choi, Paul D. Dubell 1996-09-10 $19,981,000
5519107 Amine-functionalized polyester Gary F. Smith 1996-05-21 $20,914,000
5384387 Amine-functionalized polyester Gary F. Smith 1995-01-24 $24,956,000
5338797 Polyetherimide ester elastomeric compositions Warren J. Peascoe 1994-08-16 $16,426,000
5317049 Polyimidesiloxane solution and method of coating substrates Sergio R. Rojstaczer, David Y. Tang 1994-05-31 $36,416,000
5262493 Blow-moldable copolyethenimide kister compositions salts of aliphatic polycarboxylic acid S. Jack Willey 1993-11-16 $10,298,000
5254640 Copolyetherimide ester compositions S. Jack Willey 1993-10-19 $16,670,000