Assignee
UNISCREW LTD
8 granted patents·85 citations·filing 1975–2002
Top patents by PatentIndex Score
8 records- 0172US6755748B2Screw head formationUNISCREW LTD·Filed 2002·Granted Jun 29, 2004·20 cites·15 claims
- 0265US4364714AProcess to supercharge and control a single screw compressorUNISCREW LTD·Filed 1980·Granted Dec 21, 1982·18 cites·2 claims
- 0357US4342548AScrew having a V-shaped groove profile for cooperating with a pinion in a compression or expansion machineUNISCREW LTD·Filed 1979·Granted Aug 3, 1982·10 cites·2 claims
- 0457US4261169AMethod for converting thermal energy into mechanical energy and a machine for carrying out said methodUNISCREW LTD·Filed 1978·Granted Apr 14, 1981·13 cites·7 claims
- 0552US4321022AInter-engaging threaded rotor and pinion machine with multi-edged pinion tooth flanksUNISCREW LTD·Filed 1979·Granted Mar 23, 1982·10 cites·4 claims
- 0639US4222691AMethod for machining the screw of a compression or expansion machine and a device for the application of said methodUNISCREW LTD·Filed 1978·Granted Sep 16, 1980·4 cites·9 claims
- 0738US4043704ADouble-acting rotary expansible chamber pump adaptable to series or parallel operationUNISCREW LTD·Filed 1975·Granted Aug 23, 1977·5 cites·8 claims
- 0837US4373866AProcess to control the delivery of a single screw compressorUNISCREW LTD·Filed 1980·Granted Feb 15, 1983·5 cites·3 claims
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