DW

David R. Watkins

UC Union Oil Company Of California: 19 patents #17 of 385Top 5%
SI Sumitomo Rubber Industries: 13 patents #138 of 1,637Top 9%
SU Sp Tyres Uk: 3 patents #4 of 20Top 20%
The Goodyear Tire & Rubber: 2 patents #1,342 of 3,057Top 45%
LC Leggett & Platt Canada: 1 patents #21 of 42Top 50%
📍 Irvine, CA: #190 of 6,241 inventorsTop 4%
🗺 California: #11,329 of 386,348 inventorsTop 3%
Overall (All Time): #79,924 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
8943623 Hammock with intermediate support 2015-02-03
D579856 Tire Malcolm Jeremy Board, Michael Jackson 2008-11-04
D554396 Chair base Shaffeek A. Yusuf 2007-11-06
6988520 Motorcycle tire having tread including two different rubber compounds Gary Terence Barrett 2006-01-24
6821369 Single-stage method of fabricating radial tire with breaker ply extending between bead regions Michael R. Corner 2004-11-23
6523588 Tire having tread including orientation of grooves changing across entire tread width Michael Jackson, Paul Stephens 2003-02-25
6318429 Tire with breaker ply extending between bead regions Michael R. Corner 2001-11-20
6200401 Method of determining groove angle to give optimum tread wear Michael Jackson 2001-03-13
6190478 Method of manufacturing tire including grooves Michael Jackson, Paul Stephens 2001-02-20
D434353 Vehicle tire Michael Jackson 2000-11-28
6125898 Motor-cycle radial tire Michael Jackson 2000-10-03
5829503 Motorcycle tire Nigel Gerard Nock, Michael Jackson 1998-11-03
5746852 Motorcycle radial tire with rubber member between carcass plies Nigel Gerard Nock, Michael Jackson 1998-05-05
5651845 Motorcycle radial tire with supplementary breaker fly Nigel Gerard Nock, Michael Jackson 1997-07-29
5529102 Motorcycle radial tire with supplementary breaker ply Nigel Gerard Nock, Michael Jackson 1996-06-25
5427164 Heavy duty radial tire for minimized road damage Arthur R. Williams 1995-06-27
5224543 Use of scale inhibitors in hydraulic fracture fluids to prevent scale build-up Joseph J. Clemens, John C. Smith, Surinder N. Sharma, Hetty G. Edwards 1993-07-06
D323802 Motorcycle tire Michael Jackson, Gerald A. Griffiths 1992-02-11
5051197 Scale removal treatment Leonard J. Kalfayan, Gregory S. Hewgill 1991-09-24
5039434 Acidizing composition comprising organosilicon compound Leonard J. Kalfayan, Gregory S. Hewgill 1991-08-13
5020663 Coil dispenser for coiled nails David C. DALLAS 1991-06-04
4992182 Scale removal treatment Leonard J. Kalfayan, Gregory S. Hewgill 1991-02-12
4986326 Radial motorcycle tire Gerald A. Griffiths, Peter Ingley 1991-01-22
4975208 Compositions for use in steam enhanced oil recovery processes 1990-12-04
4923009 Steam enhanced oil recovery processes and compositions for use therein 1990-05-08