Inventor · disambiguated record
Donald R. Morrison
Also filed as: MORRISON DONALD · MORRISON DONALD R
40 granted patents·2 pending applications·1,003 citations·filing 1976–2008
98Inventor score
Files withMORRISON DONALD R35MORRISON COMPANY INC3KRH THERMAL SYSTEMS2AMIDA INDUSTIRES INC1MORRISON LEWIS T1
Top patents by PatentIndex Score
42 records- 0194US4386901APortable vibrating concrete screedMORRISON DONALD R·Filed 1981·Granted Jun 7, 1983·60 cites·1 claims
- 0291US4650366APortable screedMORRISON DONALD R·Filed 1986·Granted Mar 17, 1987·55 cites·5 claims
- 0390US4279676AProcess of making a belting jointMORRISON COMPANY INC·Filed 1979·Granted Jul 21, 1981·57 cites·1 claims
- 0488US4645264AMotorized dumping vehicleMORRISON DONALD R·Filed 1985·Granted Feb 24, 1987·57 cites·2 claims
- 0588US4213749APortable vibrating concrete screedMORRISON DONALD R·Filed 1978·Granted Jul 22, 1980·36 cites·1 claims
- 0686US4518647AAgricultural belting materialMORRISON COMPANY INC·Filed 1984·Granted May 21, 1985·36 cites·9 claims
- 0784US5503300AVending machine including refrigeration and oven compartmentsKRH THERMAL SYSTEMS·Filed 1994·Granted Apr 2, 1996·58 cites·41 claims
- 0883US4461341ACooling system for hydraulic powered apparatusMORRISON DONALD R·Filed 1982·Granted Jul 24, 1984·31 cites·2 claims
- 0982US4349295AStructural ridge member for vibrating concrete screedsMORRISON DONALD R·Filed 1981·Granted Sep 14, 1982·31 cites·1 claims
- 1082US4030873AVibrating concrete screedMORRISON LEWIS T·Filed 1976·Granted Jun 21, 1977·36 cites·8 claims
- 1175USD314578SMaterial spreader frameAMIDA INDUSTIRES INC·Filed 1988·Granted Feb 12, 1991·17 cites·1 claims
- 1275US4320986AMotor powered rotary trowelMORRISON DONALD R·Filed 1980·Granted Mar 23, 1982·40 cites·7 claims
- 1373US4371580AThree-ply belting materialMORRISON COMPANY INC·Filed 1982·Granted Feb 1, 1983·45 cites·13 claims
- 1467US4261694AAir vibrated/winched concrete screedMORRISON DONALD R·Filed 1980·Granted Apr 14, 1981·20 cites·11 claims
- 1566US4701071APortable screedMORRISON DONALD R·Filed 1987·Granted Oct 20, 1987·27 cites·2 claims
- 1665US4832525ADouble-bearing shaft for a vibrating screedMORRISON DONALD R·Filed 1988·Granted May 23, 1989·20 cites·4 claims
- 1764US4869618ADistributor for concrete screed, and screed assembly comprising sameMORRISON DONALD R·Filed 1988·Granted Sep 26, 1989·24 cites·20 claims
- 1864US4253778AWinch apparatus for vibrating concrete screedMORRISON DONALD R·Filed 1979·Granted Mar 3, 1981·19 cites·1 claims
- 1963US5772072AVending machine including refrigeration and oven compartmentsKRH THERMAL SYSTEMS·Filed 1996·Granted Jun 30, 1998·92 cites·23 claims
- 2063US4676691ADual rotary trowelMORRISON DONALD R·Filed 1986·Granted Jun 30, 1987·28 cites·11 claims
- 2158US4556339ARotary trowel blade assemblyMORRISON DONALD R·Filed 1984·Granted Dec 3, 1985·24 cites·4 claims
- 2257US4657431ANon-uniform size particulate spreaderMORRISON DONALD R·Filed 1986·Granted Apr 14, 1987·22 cites·10 claims
- 2355US2009115192A1Water wave-based energy generatorMORRISON DONALD R·Filed 2008·Application pending·0 cites
- 2453US4607979AHydraulically-powered rock spreaderMORRISON DONALD R·Filed 1984·Granted Aug 26, 1986·17 cites·3 claims
- 2553US4397626AVibrating screed and curb-forming apparatusMORRISON DONALD R·Filed 1981·Granted Aug 9, 1983·17 cites·5 claims
- 2652US4335976AWinch apparatus for vibrating concrete screedMORRISON DONALD R·Filed 1981·Granted Jun 22, 1982·13 cites·2 claims
- 2751US2007154263A1Water wave-based energy generatorMORRISON DONALD R·Filed 2006·Application pending·0 cites
- 2849US4388017ATroweling blade rotor assemblyMORRISON DONALD R·Filed 1981·Granted Jun 14, 1983·17 cites·1 claims
- 2948US4931008AQuick disassembly screed constructionMORRISON DONALD R·Filed 1989·Granted Jun 5, 1990·16 cites·6 claims
- 3048US4806047AScreed frame and stiffening apparatusMORRISON DONALD R·Filed 1988·Granted Feb 21, 1989·14 cites·14 claims
- 3146US4859115ABlade mounting apparatus, and blade comprising sameMORRISON DONALD R·Filed 1988·Granted Aug 22, 1989·14 cites·4 claims
- 3246US4195809AScreed bar support stake and methodMORRISON DONALD R·Filed 1978·Granted Apr 1, 1980·11 cites·5 claims
- 3345US4191360AConcrete reinforcement mesh lifting toolMORRISON DONALD R·Filed 1979·Granted Mar 4, 1980·8 cites·1 claims
- 3441US4555200AHydraulically-powered material spreaderMORRISON DONALD R·Filed 1984·Granted Nov 26, 1985·10 cites·3 claims
- 3539US4848959ARetaining clip and blade mounting apparatusMORRISON DONALD R·Filed 1988·Granted Jul 18, 1989·9 cites·9 claims
- 3638USD309904SDistributor for a concrete screedMORRISON DONALD R·Filed 1988·Granted Aug 14, 1990·2 cites·1 claims
- 3738USD306963SConcrete finishing screed barMORRISON DONALD R·Filed 1987·Granted Apr 3, 1990·2 cites·1 claims
- 3837US4877104ABraking system for a motorized dumping vehicleMORRISON DONALD R·Filed 1988·Granted Oct 31, 1989·3 cites·3 claims
- 3937US4397580AVibrating screed and curb/gutter forming apparatus and methodMORRISON DONALD R·Filed 1981·Granted Aug 9, 1983·7 cites·6 claims
- 4034US4722638AScreen with frontal distribution unitMORRISON DONALD R·Filed 1987·Granted Feb 2, 1988·5 cites·5 claims
- 4131US4892438AScreed construction and methodMORRISON DONALD R·Filed 1988·Granted Jan 9, 1990·3 cites·4 claims
- 4230US4753578AAbrasive fluid pumping apparatusMORRISON DONALD R·Filed 1986·Granted Jun 28, 1988·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →