Individual holder
KIRSCHKE JOHN A
4 granted patents·30 citations·filing 1975–1980
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0141US4085510ADeflection device for measuring the interior of a conduitKIRSCHKE JOHN A·Filed 1976·Granted Apr 25, 1978·8 cites·8 claims
- 0241US3978716AMethod and apparatus for determining internal erosion of storage tanks and repairKIRSCHKE JOHN A·Filed 1975·Granted Sep 7, 1976·9 cites·8 claims
- 0340US4222975AApparatus and process for repairing underground gasoline tanksKIRSCHKE JOHN A·Filed 1978·Granted Sep 16, 1980·7 cites·8 claims
- 0433US4325652AApparatus and process for repairing underground gasoline tanksKIRSCHKE JOHN A·Filed 1980·Granted Apr 20, 1982·6 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →