Assignee
GARDNER DENVER CO
42 granted patents·1,046 citations·filing 1974–2002
Top patents by PatentIndex Score
42 records- 0191US3948288AHydraulic accumulatorGARDNER DENVER CO·Filed 1974·Granted Apr 6, 1976·50 cites·2 claims
- 0290US4054332AActuation means for roller guide bushing for drill rigGARDNER DENVER CO·Filed 1976·Granted Oct 18, 1977·72 cites·18 claims
- 0389US3994350ARotary drilling rigGARDNER DENVER CO·Filed 1975·Granted Nov 30, 1976·111 cites·20 claims
- 0487US3961862ACompressor control systemGARDNER DENVER CO·Filed 1975·Granted Jun 8, 1976·75 cites·13 claims
- 0586US3999452ATool for preparing tube ends for weldingGARDNER DENVER CO·Filed 1975·Granted Dec 28, 1976·64 cites·8 claims
- 0684US4147475AControl system for helical screw compressorGARDNER DENVER CO·Filed 1977·Granted Apr 3, 1979·30 cites·4 claims
- 0784US4123188AControl system for peck drilling toolGARDNER DENVER CO·Filed 1977·Granted Oct 31, 1978·37 cites·10 claims
- 0884US3960035ATorque responsive speed shifting mechanism for power toolGARDNER DENVER CO·Filed 1974·Granted Jun 1, 1976·38 cites·11 claims
- 0981US4128135ADrill pipe handling mechanismGARDNER DENVER CO·Filed 1977·Granted Dec 5, 1978·64 cites·8 claims
- 1081US4068980ACompressor startup controlGARDNER DENVER CO·Filed 1976·Granted Jan 17, 1978·35 cites·7 claims
- 1181US4052135AControl system for helical screw compressorGARDNER DENVER CO·Filed 1976·Granted Oct 4, 1977·27 cites·9 claims
- 1280US4022550AEnclosed compressor unitGARDNER DENVER CO·Filed 1976·Granted May 10, 1977·39 cites·11 claims
- 1374US3970151ATorque responsive motor shutoff for power toolGARDNER DENVER CO·Filed 1975·Granted Jul 20, 1976·25 cites·11 claims
- 1472US4066140AHeavy duty industrial scaleGARDNER DENVER CO·Filed 1976·Granted Jan 3, 1978·28 cites·33 claims
- 1571US4062411AHydraulic percussion tool with impact blow and frequency controlGARDNER DENVER CO·Filed 1975·Granted Dec 13, 1977·30 cites·14 claims
- 1670US4069877AMechanism for tensioning fluid hoses on a rock drill feedGARDNER DENVER CO·Filed 1976·Granted Jan 24, 1978·18 cites·3 claims
- 1769US6599103B2Locomotive air compressor with outboard support bearingGARDNER DENVER CO·Filed 2002·Granted Jul 29, 2003·15 cites·7 claims
- 1868US4088289AMast support arrangement for portable drill rigGARDNER DENVER CO·Filed 1977·Granted May 9, 1978·30 cites·5 claims
- 1968US4078618ATorque controller shutoff mechanismGARDNER DENVER CO·Filed 1976·Granted Mar 14, 1978·28 cites·21 claims
- 2067US3995700AHydraulic rock drill systemGARDNER DENVER CO·Filed 1975·Granted Dec 7, 1976·26 cites·17 claims
- 2165USD251759STrade exhibit structure and lighting thereforGARDNER DENVER CO·Filed 1977·Granted May 8, 1979·10 cites·1 claims
- 2264US3957092AApparatus for forming twisted pairs of conductor wireGARDNER DENVER CO·Filed 1975·Granted May 18, 1976·20 cites·3 claims
- 2355US3980144ARock drill feed mechanismGARDNER DENVER CO·Filed 1975·Granted Sep 14, 1976·27 cites·6 claims
- 2453US4071125APower transmission with torque converter lockup clutchGARDNER DENVER CO·Filed 1976·Granted Jan 31, 1978·12 cites·2 claims
- 2551US4043362ACutting and insulation stripping apparatus for twisted wire pairGARDNER DENVER CO·Filed 1976·Granted Aug 23, 1977·11 cites·20 claims
- 2649US4123203AMultistage helical screw compressor with liquid injectionGARDNER DENVER CO·Filed 1977·Granted Oct 31, 1978·14 cites·8 claims
- 2744US4122731AMultispeed gear transmission with plural inputs to internal gearGARDNER DENVER CO·Filed 1977·Granted Oct 31, 1978·11 cites·9 claims
- 2844US4099428ACutting and insulation stripping apparatus for twisted wire pairGARDNER DENVER CO·Filed 1977·Granted Jul 11, 1978·8 cites·11 claims
- 2943US4062431APower transmission with modulating torque converter input clutchGARDNER DENVER CO·Filed 1976·Granted Dec 13, 1977·8 cites·3 claims
- 3042US4100982ADrill cuttings separation and control apparatusGARDNER DENVER CO·Filed 1977·Granted Jul 18, 1978·18 cites·8 claims
- 3141US4102583AProfile cutterGARDNER DENVER CO·Filed 1977·Granted Jul 25, 1978·8 cites·12 claims
- 3240US4116093ADrive mechanism for power ratchet wrenchGARDNER DENVER CO·Filed 1978·Granted Sep 26, 1978·12 cites·6 claims
- 3337USD246570SHand-held tool for removing insulation from electrical conductorsGARDNER DENVER CO·Filed 1976·Granted Dec 6, 1977·3 cites·1 claims
- 3437US4051875AConductor wrapping bitGARDNER DENVER CO·Filed 1977·Granted Oct 4, 1977·5 cites·8 claims
- 3535US4090688ALow pressure shutoff valve for fluid operated toolGARDNER DENVER CO·Filed 1976·Granted May 23, 1978·5 cites·8 claims
- 3634US4016687AAngular adjustment for drill rig mastGARDNER DENVER CO·Filed 1975·Granted Apr 12, 1977·10 cites·6 claims
- 3729US4076338ACastering roller for a drill pipe guide bushingGARDNER DENVER CO·Filed 1976·Granted Feb 28, 1978·4 cites·4 claims
- 3829US4004434AUniversal jointGARDNER DENVER CO·Filed 1975·Granted Jan 25, 1977·7 cites·4 claims
- 3928US3942742ACable guide means for a cable drumGARDNER DENVER CO·Filed 1974·Granted Mar 9, 1976·3 cites·7 claims
- 4027USD246417SHand-held tool for removing insulation from electrical conductorsGARDNER DENVER CO·Filed 1976·Granted Nov 22, 1977·1 cites·1 claims
- 4124US4049064AMulti function drill drive systemGARDNER DENVER CO·Filed 1976·Granted Sep 20, 1977·6 cites·4 claims
- 4218US4078459ALong stroke turret control mechanism for automatic screw machineGARDNER DENVER CO·Filed 1975·Granted Mar 14, 1978·1 cites·6 claims
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