Inventor · disambiguated record
Mark D. Robinson
Also filed as: ROBINSON MARK · ROBINSON MARK D · ROBINSON MARK DOUGLAS
20 granted patents·3 pending applications·269 citations·filing 1987–2025
95Inventor score
Files withCEM MACHINE INC6CARTHAGE MACHINE COMPANY3BERKMAN LOUIS CO2FAURECIA EMISSIONS CONTROL TECHNOLOGIES USA LLC2OIL TOOL SOLUTIONS INC2
Top patents by PatentIndex Score
23 records- 0182US8051887B2Primary and counter knife assembly for use in wood chipperCEM MACHINE INC·Filed 2009·Granted Nov 8, 2011·12 cites·13 claims
- 0279US7896268B2Apparatus for producing small size wood chipsCEM MACHINE INC·Filed 2009·Granted Mar 1, 2011·11 cites·15 claims
- 0379US4784337AReversible knife assembly for wood chipperCARTHAGE MACHINE COMPANY DIV O·Filed 1987·Granted Nov 15, 1988·42 cites·18 claims
- 0475US5348064AReversible knife holder for chipperCARTHAGE MACHINE COMPANY·Filed 1993·Granted Sep 20, 1994·39 cites·10 claims
- 0575US4887772ACassette knife for chipperCARTHAGE MACHINE CO DIV OF IND·Filed 1989·Granted Dec 19, 1989·36 cites·12 claims
- 0670US6966724B2Manway and manhole particularly suited for negative pressure tank access waysSTEBBINS ENGINEERING AND MFG C·Filed 2003·Granted Nov 22, 2005·14 cites·10 claims
- 0769US10836070B2Axial adjustment apparatus for chipper discCEM MACHINE INC·Filed 2017·Granted Nov 17, 2020·1 cites·20 claims
- 0869US5139063AChipper sliver trimmerCARTHAGE MACHINE COMPANY·Filed 1991·Granted Aug 18, 1992·30 cites·7 claims
- 0966US6679651B2Method of converting existing negative pressure tank access waysSTEBBINS ENGINEERING AND MFG C·Filed 2002·Granted Jan 20, 2004·10 cites·17 claims
- 1064US11584036B2Axial adjustment apparatus for chipper discCEM MACHINE INC·Filed 2020·Granted Feb 21, 2023·0 cites·20 claims
- 1158US6109823AMethod of converting existing tank access waysSTEBBINS ENGINEERING & MANUFAC·Filed 1998·Granted Aug 29, 2000·35 cites·23 claims
- 1257US11939991B2Sand protection device for downhole pumpOIL TOOL SOLUTIONS INC·Filed 2022·Granted Mar 26, 2024·0 cites·15 claims
- 1356US11268414B2Exhaust aftertreatment component with bypass valveFAURECIA EMISSIONS CONTROL TECHNOLOGIES USA LLC·Filed 2019·Granted Mar 8, 2022·0 cites·25 claims
- 1456US8572846B2Hoop-stress controlled shrinking for exhaust componentROBINSON MARK·Filed 2009·Granted Nov 5, 2013·1 cites·16 claims
- 1552US6981373B2Buoyancy engineROBINSON MARK DOUGLAS·Filed 2004·Granted Jan 3, 2006·7 cites·20 claims
- 1652US2025376919A1Sand catcher for downhole pump and method for using sameOIL TOOL SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1749US6941987B2Apparatus for clearing log jams in disc type chipperCEM MACHINE INC·Filed 2003·Granted Sep 13, 2005·2 cites·19 claims
- 1849US6035797AFloat drumBERKMAN LOUIS CO·Filed 1998·Granted Mar 14, 2000·11 cites·66 claims
- 1946US4964447AFlat disk flakerCARTHAGE MACHINE COMPANY·Filed 1989·Granted Oct 23, 1990·10 cites·7 claims
- 2046US2023173504A1Hydraulic axial adjustment apparatus for chipper discCEM MACHINE INC·Filed 2022·Application pending·0 cites
- 2146US2022065150A1Exhaust aftertreatment component with directional valveFAURECIA EMISSIONS CONTROL TECHNOLOGIES USA LLC·Filed 2020·Application pending·0 cites
- 2244US7093972B2Tri-tilt mixing headMHR INC·Filed 2003·Granted Aug 22, 2006·3 cites·39 claims
- 2336US5671693APontoon boat mooring systemBERKMAN LOUIS CO·Filed 1996·Granted Sep 30, 1997·5 cites·45 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →