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 151–175 of 215 patents

Patent #TitleCo-InventorsDate
5385459 Rubber curing bladders having self release or low adhesion to curing or cured hydrocarbon rubbers Daniel F. Graves 1995-01-31
5373063 Process and catalyst for producing partially hydrogenated diene polymers containing endo and exo chain trisubstituted unsaturation John M. Doshak 1994-12-13
5367034 Process and isomerizing agent isomerizing partially hydrogenated diene polymers John M. Doshak 1994-11-22
5349024 Elastomers having reduced hysteresis prepared with vinyl polycyclic aromatic hydrocarbon Martin Morrow 1994-09-20
5346962 Elastomers having reduced hysteresis prepared with vinyl imidazole Martin Morrow 1994-09-13
5317057 (Halomethyl vinyl arene)-modified elastomers and compositions containing them having reduced hysteresis properties James E. Hall, James Oziomek 1994-05-31
5314967 Process and isomerizing agent for isomerizing partially hydrogenated diene polymers John M. Doshak 1994-05-24
5310817 Process and catalyst for producing partially hydrogenated diene polymers containing endo and exo chain trisubstituted unsaturation John M. Doshak 1994-05-10
5276099 (Vinyl sulfoxide)-capped elastomers and compositions containing them having reduced hysteresis properties John M. Doshak 1994-01-04
5268439 Tin containing elastomers and products having reduced hysteresis properties Tristram W. Bethea, John M. Doshak 1993-12-07
5260123 Block copolymers of polysiloxanes and copolymers of conjugated dienes and aromatic vinyl compounds, and multilayer structures containing same Daniel F. Graves 1993-11-09
5248722 Tire tread composition Mario N. DeTrano, Shingo Futamura, Mark L. Stayer, Jr. 1993-09-28
5244966 1,3,2-dioxastannolane-modified elastomers and compositions containing them having reduced hysteresis properties James Oziomek 1993-09-14
5242993 Reduction of acidity of polyesters by melt reaction endcapping with an alkylacetylacetonate John M. Donshak 1993-09-07
5238893 Method of preparing an anionic polymerization initiator John M. Doshak 1993-08-24
5194499 Polymerizing diene block copolymer in presence of rubber 1993-03-16
5151469 Method of preparing elastomers having reduced hysteresis properties with sulfoxides John M. Doshak 1992-09-29
5130355 Haloalkoxylated polybutadiene polymer and roofing membrane formed therefrom James A. Davis, Daniel R. McGillvary, Joseph K. Valaitis 1992-07-14
5128392 Accelerator system for peroxide based curing systems Mario N. DeTrano, Donald Diehl, II 1992-07-07
5126384 Substituted polybutadiene polymer and roofing membrane formed therefrom James A. Davis, Daniel R. McGillvary, Joseph K. Valaitis 1992-06-30
5091471 Elastomer blends having improved extrusion resistance and method for the preparation thereof Daniel F. Graves 1992-02-25
4988777 Reduction of acidity of polyesters by melt reaction endcapping with eneamines or Schiff bases John M. Doshak 1991-01-29
4983691 Reduction of acidity of polyesters by melt reaction endcapping with dialkyloxylate or tetraalkyl urea John M. Doshak 1991-01-08
4847360 Adhesive active finish for reinforcing members and related methods Mario N. DeTrano 1989-07-11
4806322 Process for the production of linear polyphosphazenes James Oziomek 1989-02-21