Inventor · disambiguated record
Craig A. Perman
Also filed as: PERMAN CRAIG · PERMAN CRAIG A · PERMAN CRAIG ALLEN
20 granted patents·1 pending application·1,172 citations·filing 1976–2003
97Inventor score
Top patents by PatentIndex Score
21 records- 0196US5670102AMethod of making thermoplastic foamed articles using supercritical fluidMINNESOTA MINING & MFG·Filed 1994·Granted Sep 23, 1997·147 cites·14 claims
- 0295US6126919ABiocompatible compounds for pharmaceutical drug delivery systems3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Oct 3, 2000·190 cites·31 claims
- 0395US5508060AMethod of polymer impregnationMINNESOTA MINING & MFG·Filed 1994·Granted Apr 16, 1996·151 cites·2 claims
- 0493US5071587AComposition and method for purifying waterAQUATECHNICA INC·Filed 1990·Granted Dec 10, 1991·87 cites·27 claims
- 0592US6416742B1Medicinal aerosol solution formulation with biocompatible polymer3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Jul 9, 2002·39 cites·40 claims
- 0691US6638985B2Uniform small cell foams and a continuous process for making same3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Oct 28, 2003·26 cites·15 claims
- 0789US6391931B1Uniform small cell foams and a continuous process for making same3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted May 21, 2002·41 cites·5 claims
- 0887US6593380B2Uniform small cell foams and a continuous process for making same3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Jul 15, 2003·24 cites·4 claims
- 0987US6586482B2Uniform small cell foams and a continuous process for making same3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Jul 1, 2003·19 cites·11 claims
- 1087US5340614AMethods of polymer impregnationMINNESOTA MINING & MFG·Filed 1993·Granted Aug 23, 1994·170 cites·19 claims
- 1187US5320773AComposition and method for purifying waterAQUATECHNICA INC·Filed 1991·Granted Jun 14, 1994·66 cites·9 claims
- 1286US6492183B1Extraction articles and methods3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Dec 10, 2002·89 cites·38 claims
- 1383US6586489B2Uniform small cell foams and a continuous process for making same3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Jul 1, 2003·18 cites·10 claims
- 1482US4078918AMethod for precious metal recoveryPERMAN CRAIG A·Filed 1976·Granted Mar 14, 1978·22 cites·21 claims
- 1578US7311880B2Well-less filtration device3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Dec 25, 2007·32 cites·17 claims
- 1674US5306612ASupersensitization of red sensitized, silver halide emulsions with 5-substituted-amino-1,2,3,4-thiatriazolesMINNESOTA MINING & MFG·Filed 1988·Granted Apr 26, 1994·12 cites·14 claims
- 1767US4780404ASupersensitization of silver halide emulsionMINNESOTA MINING & MFG·Filed 1987·Granted Oct 25, 1988·8 cites·19 claims
- 1861US5481058ASupercritical fluid extraction involving hydrofluoroalkanesMINNESOTA MINING & MFG·Filed 1994·Granted Jan 2, 1996·25 cites·20 claims
- 1956US7300801B2Welded sample preparation articles and methods3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Nov 27, 2007·2 cites·39 claims
- 2044US4914015ARed and infrared films containing 5-substituted-thio-1,2,3,4-thiatriazoles and 5-substituted-oxy-1,2,3,4-thiatriazolesMINNESOTA MINING & MFG·Filed 1988·Granted Apr 3, 1990·4 cites·28 claims
- 2143US2003226796A1Modular system for separating components of a liquid sample3M INNOVATIVE PROPERTIES CO·Filed 2002·Application pending·0 cites
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