Assignee
COMPAIR CONSTR MINING LTD
6 granted patents·91 citations·filing 1976–1980
Top patents by PatentIndex Score
6 records- 0158US4303131ACompressed-gas-operated reciprocating piston devicesCOMPAIR CONSTR MINING LTD·Filed 1980·Granted Dec 1, 1981·19 cites·17 claims
- 0254US4133393ADown-the-hole percussion drillsCOMPAIR CONSTR MINING LTD·Filed 1977·Granted Jan 9, 1979·28 cites·7 claims
- 0353US4303133ACompressed-gas-operated reciprocating-piston devicesCOMPAIR CONSTR MINING LTD·Filed 1980·Granted Dec 1, 1981·22 cites·15 claims
- 0438US4211522AOil-injected rotary compressorsCOMPAIR CONSTR MINING LTD·Filed 1978·Granted Jul 8, 1980·11 cites·4 claims
- 0529US4116409AHydraulic levelling systems for drilling machines, etc.COMPAIR CONSTR MINING LTD·Filed 1976·Granted Sep 26, 1978·10 cites·15 claims
- 0619US4161989AReciprocating hydraulic motorsCOMPAIR CONSTR MINING LTD·Filed 1977·Granted Jul 24, 1979·1 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →