Inventor · disambiguated record
Michael A. Shippey
Also filed as: SHIPPEY MICHAEL A
6 granted patents·94 citations·filing 1981–1993
83Inventor score
Top patents by PatentIndex Score
6 records- 0189US4927551ALubricating oil compositions containing a combination of a modified succinimide and a Group II metal overbased sulfurized alkylphenolCHEVRON RES·Filed 1989·Granted May 22, 1990·48 cites·10 claims
- 0258US5453176AProcess for preparing white oil containing a high proportion of isoparaffinsFiled 1993·Granted Sep 26, 1995·24 cites·32 claims
- 0351US4548723AOrtho-carboxy phenylphenone lubricating oil additivesCHEVRON RES·Filed 1984·Granted Oct 22, 1985·7 cites·10 claims
- 0447US4550197AOverbased ortho-carboxy phenylphenone lubricating oil additivesCHEVRON RES·Filed 1984·Granted Oct 29, 1985·3 cites·12 claims
- 0544US4397749AOil-soluble metal thiolate-succinimide complexesCHEVRON RES·Filed 1982·Granted Aug 9, 1983·8 cites·7 claims
- 0637US4396750AProcess for synthesizing silylated polyalkenamersUS NAVY·Filed 1981·Granted Aug 2, 1983·4 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Michael A. Shippey files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →