Inventor · disambiguated record
Bernhardt F. Giebeler
Also filed as: GIEBELER BERNHARDT F
4 granted patents·262 citations·filing 1976–1982
82Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0192US4262693AKelly valveBERNHARDT & FREDERICK CO INC·Filed 1979·Granted Apr 21, 1981·141 cites·12 claims
- 0282US4377179APressure balanced ball valve deviceBERNHARDT & FREDERICK CO INC·Filed 1980·Granted Mar 22, 1983·70 cites·6 claims
- 0363US4565213ABall valve device with hold-open tubeBERNHARDT & FREDERICK CO INC·Filed 1982·Granted Jan 21, 1986·31 cites·3 claims
- 0454US4050512AStroke actuated well testing toolBJ HUGHES INC·Filed 1976·Granted Sep 27, 1977·20 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →