Assignee
MAYER JAMES R
US·4 granted patents·134 citations·filing 1983–1986
Top patents by PatentIndex Score
4 records- 0185US4761120AWell pumping unit and control systemMAYER JAMES R·Filed 1986·Granted Aug 2, 1988·65 cites·32 claims
- 0270US4477232AHydraulically actuated reciprocating piston pumpMAYER JAMES R·Filed 1983·Granted Oct 16, 1984·22 cites·22 claims
- 0368US4828048AHydraulic Percussion toolMAYER JAMES R·Filed 1986·Granted May 9, 1989·41 cites·18 claims
- 0439US4552180APilot operated control valve for hydraulically actuated reciprocating pumpMAYER JAMES R·Filed 1984·Granted Nov 12, 1985·6 cites·6 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →