Inventor · disambiguated record
Henry G. Petrow
Also filed as: ALLEN ROBERT J · PETROW HENRY · PETROW HENRY G
14 granted patents·428 citations·filing 1973–1988
94Inventor score
Top patents by PatentIndex Score
14 records- 0197US4044193AFinely particulated colloidal platinum compound and sol for producing the same, and method of preparation of fuel cell electrodes and the like employing the samePROTOTECH CO·Filed 1974·Granted Aug 23, 1977·88 cites·34 claims
- 0288US3992331ACatalytic platinum metal particles on a substrate and method of preparing the catalystPROTOTECH CO·Filed 1974·Granted Nov 16, 1976·38 cites·7 claims
- 0387US4166143AControl of the interaction of novel platinum-on-carbon electrocatalysts with fluorinated hydrocarbon resins in the preparation of fuel cell electrodesPROTOTECH INC·Filed 1977·Granted Aug 28, 1979·44 cites·6 claims
- 0485US3992512AFinely particulated colloidal platinum compound and sol for producing the same, and method of preparationPROTOTECH CO·Filed 1974·Granted Nov 16, 1976·30 cites·6 claims
- 0582US4082699AMethod of preparing catalytic structures from colloidal platinum compounds and such catalytic structuresPROTOTECH CO·Filed 1976·Granted Apr 4, 1978·30 cites·7 claims
- 0680US4399185ALow pressure-drop catalytic mat and method of preparing the samePROTOTECH CO·Filed 1981·Granted Aug 16, 1983·31 cites·21 claims
- 0780US4102819AFinely particulated colloidal platinum, compound and sol for producing the same, and method of preparationPROTOTECH INC·Filed 1977·Granted Jul 25, 1978·28 cites·4 claims
- 0871US4295985AMethod of removal of chlorine retained by human skin and hair after exposure to chlorinated water, and soap and shampoo compositions adapted to effect said removalPETROW HENRY G·Filed 1980·Granted Oct 20, 1981·33 cites·10 claims
- 0969US3960989AColloidal sol antimony pentaoxide flameproofing compositionsPETROW HENRY G·Filed 1974·Granted Jun 1, 1976·11 cites·6 claims
- 1066US4659566ACompositions and methods for permanently waving or straightening hairPETROW HENRY G·Filed 1984·Granted Apr 21, 1987·28 cites·20 claims
- 1166US4059541APlatinum colloid sol and method of forming samePROTOTECH CO·Filed 1976·Granted Nov 22, 1977·16 cites·9 claims
- 1260US4581229AMethod of removing metal ions and compounds from the hairPETROW HENRY·Filed 1984·Granted Apr 8, 1986·26 cites·12 claims
- 1354US3933684AMethod of forming palladium oxide and palladium particlesPROTOTECH CO·Filed 1973·Granted Jan 20, 1976·8 cites·4 claims
- 1453US4841997AMethod for setting hair or furPETROW HENRY G·Filed 1988·Granted Jun 27, 1989·17 cites·25 claims
Join the waitlist — get patent alerts
Get an alert when Henry G. Petrow files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →