Assignee
ROBBINS CO
US·31 granted patents·922 citations·filing 1974–2013
Top patents by PatentIndex Score
31 records- 0197US3965995AMachine for boring a large diameter blind holeROBBINS CO·Filed 1975·Granted Jun 29, 1976·64 cites·18 claims
- 0293US4548442AMobile mining machine and methodROBBINS CO·Filed 1983·Granted Oct 22, 1985·127 cites·45 claims
- 0392US4646853AShaft boring machine and methodROBBINS CO·Filed 1984·Granted Mar 3, 1987·57 cites·36 claims
- 0492US4548443ATunnel boring machineROBBINS CO·Filed 1984·Granted Oct 22, 1985·45 cites·6 claims
- 0588US4420188ADouble shield tunnel boring machineROBBINS CO·Filed 1981·Granted Dec 13, 1983·35 cites·19 claims
- 0684US5234257AMobile mining machine having tilted swing axis and methodROBBINS CO·Filed 1991·Granted Aug 10, 1993·66 cites·22 claims
- 0778US4381038ARaise bit with cutters stepped in a spiral and flywheelROBBINS CO·Filed 1980·Granted Apr 26, 1983·51 cites·48 claims
- 0875US4234235ARotary cutterhead for an earth boring machineROBBINS CO·Filed 1979·Granted Nov 18, 1980·17 cites·28 claims
- 0975US3966256ATunneling equipmentROBBINS CO·Filed 1975·Granted Jun 29, 1976·16 cites·25 claims
- 1072US5205613ATunnel boring machine with continuous forward propulsionROBBINS CO·Filed 1991·Granted Apr 27, 1993·51 cites·19 claims
- 1171US5203614ATunneling machine having liquid balance low flow slurry systemROBBINS CO·Filed 1991·Granted Apr 20, 1993·43 cites·21 claims
- 1270US7832960B2All-conditions tunnel boring machineROBBINS CO·Filed 2008·Granted Nov 16, 2010·12 cites·31 claims
- 1370US4270618AEarth boring apparatusROBBINS CO·Filed 1979·Granted Jun 2, 1981·40 cites·20 claims
- 1470US3967463AContinuous tunnel boring machine and methodROBBINS CO·Filed 1974·Granted Jul 6, 1976·30 cites·5 claims
- 1568US5234064ARoller cutter assembly having adjustable ring cutter spacingROBBINS CO·Filed 1992·Granted Aug 10, 1993·37 cites·33 claims
- 1663US5192116AGantry-type mobile mining machineROBBINS CO·Filed 1991·Granted Mar 9, 1993·36 cites·19 claims
- 1757US5429198ADown reaming apparatus having hydraulically controlled stabilizerROBBINS CO·Filed 1993·Granted Jul 4, 1995·33 cites·31 claims
- 1850US4365677AEarth boring apparatusROBBINS CO·Filed 1981·Granted Dec 28, 1982·22 cites·8 claims
- 1947US6390287B2Self-adjusting carrying idler assemblyROBBINS CO·Filed 1999·Granted May 21, 2002·13 cites·12 claims
- 2047US5192115ATramming mobile mining machineROBBINS CO·Filed 1991·Granted Mar 9, 1993·18 cites·19 claims
- 2147US4202418ARoller cutter mountsROBBINS CO·Filed 1978·Granted May 13, 1980·17 cites·7 claims
- 2247US4009909AUpward tunnelingROBBINS CO·Filed 1975·Granted Mar 1, 1977·16 cites·21 claims
- 2344US3999616AMethod and apparatus for establishing the drilling line of an overhead boring machineROBBINS CO·Filed 1975·Granted Dec 28, 1976·15 cites·22 claims
- 2442US9010872B2Tunnel boring machine with cutterhead support assembly supporting a variable number of drive systemsROBBINS CO·Filed 2013·Granted Apr 21, 2015·0 cites·19 claims
- 2540US4283090AConveyor mounted excavatorROBBINS CO·Filed 1979·Granted Aug 11, 1981·4 cites·10 claims
- 2639US5012878ARock boring machine drive head with up and down drilling capabilityROBBINS CO·Filed 1989·Granted May 7, 1991·12 cites·12 claims
- 2738US5325932ADown reaming apparatusROBBINS CO·Filed 1992·Granted Jul 5, 1994·17 cites·28 claims
- 2837US5370194ADrive head assembly for drilling machineROBBINS CO·Filed 1993·Granted Dec 6, 1994·12 cites·21 claims
- 2936US5308150ADown reaming apparatusROBBINS CO·Filed 1993·Granted May 3, 1994·11 cites·9 claims
- 3028US5127711AHopper and hood combination for tunneling machine and tunneling machine having the sameROBBINS CO·Filed 1991·Granted Jul 7, 1992·3 cites·16 claims
- 3122US6955232B2Equipment for drilling vertical boreholesROBBINS CO·Filed 2002·Granted Oct 18, 2005·2 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →