Assignee
PENGO INC
US·7 granted patents·248 citations·filing 1977–1987
Top patents by PatentIndex Score
7 records- 0188US4354433AApparatus for cutting pipePENGO INC·Filed 1980·Granted Oct 19, 1982·49 cites·4 claims
- 0288US4158388AMethod of and apparatus for squeeze cementing in boreholesPENGO INC·Filed 1977·Granted Jun 19, 1979·77 cites·26 claims
- 0373US4586602ADetonating cord transport systemPENGO INC·Filed 1985·Granted May 6, 1986·40 cites·27 claims
- 0469US4724105AApparatus for cutting pipe and method pertaining theretoPENGO INC·Filed 1982·Granted Feb 9, 1988·34 cites·4 claims
- 0557US4454814ASelect-fire systems and methods for perforating gunsPENGO INC·Filed 1982·Granted Jun 19, 1984·20 cites·2 claims
- 0656US4895249ASystem and method for packaging detonating cord for transportPENGO INC·Filed 1987·Granted Jan 23, 1990·15 cites·25 claims
- 0741US4572289AElectric wireline packer retriever apparatusPENGO INC·Filed 1984·Granted Feb 25, 1986·13 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →