Inventor
Robert C. Richardson
Inventor
Mentor, OH, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Mprimary
C10MLubricating compositions23%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions23%
F02BInternal-combustion piston engines14%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles5%
C05CNitrogenous fertilisers5%
C09KMaterials for miscellaneous applications, not provided for elsewhere5%
C11DDetergent compositions5%
F01PCooling of machines or engines in general5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
PatentTitleYear
7,754,488'Rapid analysis of functional fluids'20106,962,895'Lubricating compositions'20056,489,271'Combination of a sulfur compound and specific phosphorus compounds and their use in lubricating compositions, concentrates and greases'20026,403,540'Chemical composition for cleaning an automotive air conditioning system and method for operating and cleaning'20026,362,136'Compositions for extending seal life, and lubricants and functional fluids containing the same'20026,073,638'Method and apparatus for cleaning an automotive engine'20005,970,994'Method and apparatus for cleaning an automotive engine'19995,883,057'Lubricating compositions'19995,174,902'Method for removing cations and anions from an engine coolant liquid'19924,230,479'Process for improving the quality of urea-ammonium nitrate solution'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to PHILLIPS PETROLEUM CO (1)· patent assignee history
1980Based in Beatrice, NE, US· patent location history
1992Patents assigned to BG PRODUCTS INC (1)· patent assignee history
1992Based in Wichita, KS, US· patent location history
1999–2010Patents assigned to LUBRIZOL CORP (5)· patent assignee history
1999–2005Based in Mentor, OH, US· patent location history
1999–2002Based in Yorba Linda, CA, US· patent location history
2000–2002Patents assigned to WYNN OIL CO (2)· patent assignee history
2010Based in Tomball, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUBRIZOL CORP | 5 | 1999–2010 |
| WYNN OIL CO | 2 | 2000–2002 |
| BG PRODUCTS INC | 1 | 1992 |
| PHILLIPS PETROLEUM CO | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mentor, OH, US | 4 | 1999–2005 |
| Yorba Linda, California, US | 3 | 1999–2002 |
| Tomball, Texas, US | 1 | 2010 |
| Wichita, KS, US | 1 | 1992 |
| Beatrice, NE, US | 1 | 1980 |