Inventor · disambiguated record
Howard A. Purvis
Also filed as: PURVIS HOWARD A
4 granted patents·164 citations·filing 1975–1985
81Inventor score
Top patents by PatentIndex Score
4 records- 0188US3964507ASlide valve with integrated removable internalsTAPCO INTERNATIONAL·Filed 1975·Granted Jun 22, 1976·48 cites·15 claims
- 0282US4655077AWear sensor systemPURVIS HOWARD A·Filed 1985·Granted Apr 7, 1987·69 cites·1 claims
- 0374US3976094AGuided slide valveTAPCO INTERNATIONAL·Filed 1975·Granted Aug 24, 1976·26 cites·16 claims
- 0460US4612955AEdge wear tab for a high temperature valve componentPURVIS HOWARD A·Filed 1984·Granted Sep 23, 1986·21 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →