WH

William L. Hergenrother

Bridgestone: 145 patents #1 of 2,860Top 1%
TR The Firestone Tire & Rubber: 42 patents #1 of 233Top 1%
BF Bridgestone Firestone: 15 patents #7 of 276Top 3%
FP Firestone Polymers: 8 patents #7 of 31Top 25%
HG Heritage Research Group: 4 patents #10 of 24Top 45%
BT Bridgestone Firestone North American Tire: 2 patents #47 of 133Top 40%
BO Bridgestone Americas Tire Operations: 1 patents #209 of 375Top 60%
CA Catalytic: 1 patents #37 of 77Top 50%
CM Cyprus Foote Mineral: 1 patents #5 of 12Top 45%
FC Firestone Industrial Products Company: 1 patents #43 of 66Top 70%
📍 Akron, OH: #2 of 1,966 inventorsTop 1%
🗺 Ohio: #38 of 73,341 inventorsTop 1%
Overall (All Time): #2,853 of 4,157,543Top 1%
215
Patents All Time

Issued Patents All Time

Showing 126–150 of 215 patents

Patent #TitleCo-InventorsDate
6180710 Addition of salts to improve the interaction of silica with rubber James Oziomek, William M. Cole 2001-01-30
6136914 Anionic polymerization initiators for preparing macro-branched diene rubbers William M. Cole, Theodore J. Knutson, Georg G. A. Bohm 2000-10-24
6071847 Gas phase anionic polymerization of diene elastomers William M. Cole, Theodore J. Knutson, Georg G. A. Bohm 2000-06-06
6009923 Pneumatic tire with air retention innerliner ply Joseph K. Valaitis 2000-01-04
5962593 Poly (metal carboxylate) grafted rubbers with high modulus Frederick J. Ravagnani, John M. Doshak 1999-10-05
5932649 Block copolymers of polysiloxanes and copolymers of conjugated dienes and aromatic vinyl compounds, and multilayer structures containing same Daniel F. Graves 1999-08-03
5916961 Amine-initiated elastomers having hysteresis reducing interaction with silica Thomas J. Lynch 1999-06-29
5916976 Polymers, elastomeric compounds, and products thereof, terminated with novel amine compounds containing side-chain organohalide reactive moieties Michael Lester Kerns, David F. Lawson 1999-06-29
5912343 Tertiary amines containing side-chain organolithium structures and method for the preparation thereof David F. Lawson, Michael Lester Kerns 1999-06-15
5877336 Synthesis of tributyltin lithium Tristram W. Bethea 1999-03-02
5872176 Addition of salts to improve the interaction of silica with rubber James Oziomek, William M. Cole 1999-02-16
5866650 Composition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereof David F. Lawson, Hideo Takeichi, Thomas J. Lynch, James Oziomek 1999-02-02
5852189 Tertiaryaminoalkyllithium initiators and the preparation thereof Michael Lester Kerns, David F. Lawson 1998-12-22
5786441 Polymers, elastomeric compounds and products thereof, derived from novel amine compounds containing side-chain organolithium moieties David F. Lawson, Michael Lester Kerns 1998-07-28
5769980 Pneumatic tire with sidewall inserts having specified extension underneath the belt package Charles D. Spragg, Thomas W. Bell, James M. Kirby 1998-06-23
5736617 Polymers, elastomeric compounds, and products thereof, terminated with novel amine compounds containing side-chain organohalide reactive moieties Michael Lester Kerns, David F. Lawson 1998-04-07
5659056 Stabilization of siloxane terminated polymers David M. Roggeman, Daniel F. Graves, Mark L. Stayer, Jr. 1997-08-19
5593701 Rubber curing bladders having self release or low adhesion to curing adhesion to curing or cured hydrocarbon rubbers Daniel F. Graves 1997-01-14
5552483 Block copolymers of polysiloxanes and copolymers of conjugated dienes and aromatic vinyl compounds, and multilayer structures containing same Daniel F. Graves 1996-09-03
5527170 Rubber curing bladders having self release or low adhesion to curing or cured hydrocarbon rubbers Daniel F. Graves 1996-06-18
5502129 Triorganotin lithium, process to prepare same and anionic polymerization initiated therewith W. Novis Smith, Anthony J. Muratore, III, Jay C. Sigle, Mark T. Nemeth 1996-03-26
5494091 High modulus low hysteresis rubber compound for pneumatic tires Roy M. Freeman, Frederick J. Ravagnani 1996-02-27
5494958 High modulus low hysteresis rubber compound for pneumatic tires Roy M. Freeman, Frederick J. Ravagnani 1996-02-27
5464899 High modulus low hysteresis rubber compound for pneumatic tires Roy M. Freeman, Frederick J. Ravagnani 1995-11-07
5446102 Olefin metathesis catalysts for degelling polymerization reactors James Oziomek, David R. Hamm, Thomas Bouton 1995-08-29