Individual holder
GONDEK JOHN T
US·7 granted patents·139 citations·filing 1975–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
7 records- 0169US4135897AAir cleanerGONDEK JOHN T·Filed 1977·Granted Jan 23, 1979·25 cites·9 claims
- 0268US4013230AShower headGONDEK JOHN T·Filed 1975·Granted Mar 22, 1977·31 cites·8 claims
- 0365US4213482AHydraulic couplerGONDEK JOHN T·Filed 1978·Granted Jul 22, 1980·26 cites·5 claims
- 0461US5125372AHydraulically operated engine valve systemGONDEK JOHN T·Filed 1991·Granted Jun 30, 1992·21 cites·7 claims
- 0553US5090366AHydraulically operated engine valve systemGONDEK JOHN T·Filed 1990·Granted Feb 25, 1992·17 cites·35 claims
- 0642US4368785AWell point and method of driving sameGONDEK JOHN T·Filed 1980·Granted Jan 18, 1983·13 cites·8 claims
- 0742US4179889AControl circuit for hydraulic cylinder and shaft assemblyGONDEK JOHN T·Filed 1978·Granted Dec 25, 1979·6 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →