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USPTO Patent Rankings Data through Dec 31, 2025
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Lawrence E. Whittington — 19 Patents

Chevron: 16 patents #267 of 4,788Top 6%
RLReed Lignin: 2 patents #5 of 14Top 40%
AOAshland Oil: 1 patents #154 of 284Top 55%
GOGetty Oil: 1 patents #5 of 14Top 40%
Round Rock, TX: #194 of 1,915 inventorsTop 15%
Texas: #7,372 of 125,132 inventorsTop 6%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Lawrence E. Whittington has been granted 19 US patents while listed as an inventor at Chevron. The first was granted in 1980 and the most recent in March 2001. Lawrence E. Whittington ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Lawrence E. Whittington in Round Rock, TX, US.

Patents per Year

Patents granted per year, 1980 to 2001Bar chart with a peak of 5 patents in 1988.peak 51980: 1 patents19801981: 4 patents19811982: 1 patents19821985: 1 patents19851988: 5 patents19881989: 1 patents19891991: 1 patents19911992: 3 patents19922000: 1 patents20002001: 1 patents2001

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6207808 Catalytic method for the preparation of lignin phenol surfactants in organic solvents Douglas G. Naae, Dan Edward Kieke 2001-03-27 $175,739,000
6100385 Catalytic method for the preparation of lignin phenol surfactants in organic solvents Douglas G. Naae, Dan Edward Kieke 2000-08-08 $259,507,000
5169559 Method for forming a high viscosity gel Douglas G. Naae 1992-12-08 $14,810,000
5114599 Use of lignin/amine/surfactant blends in enhanced oil recovery Francis E. Debons, Larry D. Pedersen 1992-05-19 $37,240,000
5100567 Shear-thickening solutions with hydroxypropyl cellulose Douglas G. Naae 1992-03-31 $15,990,000
5076361 Gel method for decreasing permeability around a wellbore Douglas G. Naae 1991-12-31 $22,354,000
4822501 Use of lignin/amine/surfactant blends in enhanced oil recovery Francis E. Debons, Larry D. Pedersen 1989-04-18
4790382 Alkylated oxidized lignins as surfactants Lawrence R. Morrow, Michael G. DaGue 1988-12-13 $26,518,000
4787454 Recovering hydrocarbons with surfactants from lignin Douglas G. Naae, Will A. Ledoux, Francis E. Debons 1988-11-29 $26,969,000
4739041 Alkylated oxidized lignins as surfactants Lawrence R. Morrow, Michael G. DaGue 1988-04-19 $54,800,000
4739040 Surfactants from lignin Douglas G. Naae, Will A. Ledoux, Francis E. Debons 1988-04-19 $54,800,000
4721161 Method for decreasing permeability around a wellbore William C. Richardson, Lawrence R. Morrow 1988-01-26 $46,466,000
4548721 Method of enhanced oil recovery and compositions useful therein Francis E. Debons, Larry D. Pedersen 1985-10-22
4319636 Surfactant waterflood oil recovery process Mohan V. Kudchadker 1982-03-16 $4,544,000
4299284 High sweep efficiency enhanced oil recovery process Alfred Brown, Mohan V. Kudchadker, James E. Varnon 1981-11-10 $6,385,000
4281714 Lithium salts as additives in petroleum recovery processes Warren C. Haltmar 1981-08-04 $11,929,000
4277352 Demulsification of emulsions produced from surfactant recovery operations and recovery of surfactants therefrom Jean B. Allison, Mohan V. Kudchadker 1981-07-07 $9,905,000
4276933 Surfactant waterflood method for the recovery of oil Mohan V. Kudchadker, George Kalfoglou 1981-07-07 $9,905,000
4193900 Fire carcass resilient rubber compositions Marvin L. Deviney, James E. Lewis, Duane K. Chapman 1980-03-18 $2,558,000

Frequent Collaborators

Douglas G. Naae7 shared
Francis E. Debons5 shared
Mohan V. Kudchadker4 shared
Larry D. Pedersen3 shared
Lawrence R. Morrow3 shared
Michael G. DaGue2 shared

Nearby-Ranked Inventors

Vlastimil Kunc19
Nikolaj Maj Bentsen19
Vladimir Zhukov19
Remi Geraud19
Stephen Kaes19
Adeeti V. Ullal19
Ichiro Hayashi19
Kazuhiko Ueno19
Lei S. Qi19