RW

Robert H. Wollenberg

Chevron: 53 patents #43 of 4,788Top 1%
AR Analytical Radiation: 2 patents #2 of 3Top 70%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Los Altos, CA: #156 of 3,651 inventorsTop 5%
🗺 California: #6,532 of 386,348 inventorsTop 2%
Overall (All Time): #44,806 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
4798612 Modified succinimides (x) Frank Plavac 1989-01-17
4783275 Modified succinimides (IV) 1988-11-08
4755312 Carbonate treated dispersants 1988-07-05
4747963 Lubricating oil compositions containing modified succinimides (VII) 1988-05-31
4747850 Modified succinimides in fuel composition Frank Plavac 1988-05-31
4747965 Modified succinimides Frank Plavac 1988-05-31
4746447 Carbonate treated hydrocarbyl-substituted polyamines 1988-05-24
4746446 Modified succinimides Frank Plavac, Timothy R. Erdman 1988-05-24
4729842 Carbonate treated dispersants 1988-03-08
4713188 Carbonate treated hydrocarbyl-substituted amides 1987-12-15
4713187 Lubricating oil compositions containing modified succinimides (V) Thomas F. Buckley, III 1987-12-15
4702851 Dispersant additives for lubricating oils and fuels 1987-10-27
4670170 Modified succinimides (VIII) 1987-06-02
4668246 Modified succinimides (IV) 1987-05-26
4666460 Modified succinimides (III) 1987-05-19
4666459 Modified succinimides (VII) 1987-05-19
4663062 Lubricating oil compositions containing modified succinimides (VII) 1987-05-05
4648886 Modified succinimides (V) Thomas F. Buckley, III 1987-03-10
4647390 Lubricating oil compositions containing modified succinimides (V) Thomas F. Buckley, III 1987-03-03
4645515 Modified succinimides (II) 1987-02-24
4624681 Dispersant additives for lubricating oils and fuels 1986-11-25
4617138 Modified succinimides (II) 1986-10-14
4614603 Modified succinimides (III) 1986-09-30
4612132 Modified succinimides Frank Plavac, Timothy R. Erdman 1986-09-16
4609378 Modified succinimides (VIII) 1986-09-02