Erdman; Timothy R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Erdman; Timothy R..The latest application filed is for "lubricating oil compositions containing a combination of a modified succinimide and a group ii metal overbased sulfurized alkylphenol".

Company Profile

0.9.0

Erdman; Timothy R. - San Rafael CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Lubricating oil compositions containing a combination of a modified succinimide and a Group II metal overbased sulfurized alkylphenol Grant 4,927,551 - Erdman , et al. * May 22, 1	1990-05-22
Hydrocarbon soluble nitrogen containing dispersant - fluorophosphoric acid adducts Grant 4,747,971 - Erdman May 31, 1	1988-05-31
Modified succinimides Grant 4,746,446 - Wollenberg , et al. May 24, 1	1988-05-24
Modified carboxylic amide dispersants Grant 4,713,190 - Erdman December 15, 1	1987-12-15
Hydrocarbon soluble nitrogen containing dispersant - fluorophosphoric acid adducts Grant 4,648,980 - Erdman March 10, 1	1987-03-10
Modified succinimides Grant 4,612,132 - Wollenberg , et al. September 16, 1	1986-09-16
Method for improving fuel economy of internal combustion engines Grant 4,406,803 - Liston , et al. September 27, 1	1983-09-27
Fuel economy in internal combustion engines Grant 4,376,056 - Erdman March 8, 1	1983-03-08
Method for reducing brake noise in oil-immersed disc brakes Grant 4,331,222 - Liston , et al. May 25, 1	1982-05-25

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.