Inventor · disambiguated record
Craig R. Hof
Also filed as: HOF CRAIG R
15 granted patents·716 citations·filing 1974–1998
95Inventor score
Files withAKZONA INC63M INNOVATIVE PROPERTIES CO2BIO MEDICAL SCIENCES INC2MINNESOTA MINING & MFG2PY MAH CORP2
Top patents by PatentIndex Score
15 records- 0198US4650587AAmmonia scavengerAKZONA INC·Filed 1982·Granted Mar 17, 1987·210 cites·35 claims
- 0296US4232552ATemperature indicating compositions of matterAKZONA INC·Filed 1978·Granted Nov 11, 1980·92 cites·89 claims
- 0391US4362645ATemperature indicating compositions of matterAKZONA INC·Filed 1980·Granted Dec 7, 1982·67 cites·140 claims
- 0483US4339207ATemperature indicating compositions of matterAKZONA INC·Filed 1980·Granted Jul 13, 1982·44 cites·17 claims
- 0578US4345470AAll plastic disposable thermometerAKZONA INC·Filed 1980·Granted Aug 24, 1982·32 cites·26 claims
- 0671US3932134ATime-temperature integrating indicator deviceBIO MEDICAL SCIENCES INC·Filed 1974·Granted Jan 13, 1976·20 cites·7 claims
- 0765US4425998AProtective packaging for thermolabile goods using compounds with melting points slightly below thermosensitive temperature of the goodsPY MAH CORP·Filed 1983·Granted Jan 17, 1984·20 cites·46 claims
- 0865US3996007ATime-temperature integrating indicatorBIO MEDICAL SCIENCES INC·Filed 1975·Granted Dec 7, 1976·40 cites·7 claims
- 0962US5745039ARemote sterilization monitorMINNESOTA MINING & MFG·Filed 1997·Granted Apr 28, 1998·74 cites·19 claims
- 1057US4299727ADisposable reversible thermometerAKZONA INC·Filed 1980·Granted Nov 10, 1981·20 cites·15 claims
- 1154US6241385B1Reversible chemical thermometer3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Jun 5, 2001·16 cites·18 claims
- 1254US4536433ASlip resistant absorbent padSAGI ZSIGMOND L·Filed 1983·Granted Aug 20, 1985·42 cites·4 claims
- 1351US6420184B1Process of making a reversible chemical thermometer3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Jul 16, 2002·13 cites·25 claims
- 1450US5816707AReversible chemical thermometerMINNESOTA MINING & MFG·Filed 1995·Granted Oct 6, 1998·12 cites·22 claims
- 1545US4397570APressure sensitive adhesive containing a nucleating agent for use in a disposable thermometerPY MAH CORP·Filed 1981·Granted Aug 9, 1983·14 cites·11 claims
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