Assignee
SPERBER HENRY
US·7 granted patents·345 citations·filing 1977–1991
Top patents by PatentIndex Score
7 records- 0191US4978252AMaterial feeding apparatus using pressurized airSPERBER HENRY·Filed 1989·Granted Dec 18, 1990·71 cites·9 claims
- 0289US4111493AFeeding apparatus for a pneumatic conveying systemSPERBER HENRY·Filed 1977·Granted Sep 5, 1978·38 cites·9 claims
- 0387US4768710AFibrous blown-in insulation having homogenous densitySPERBER HENRY·Filed 1987·Granted Sep 6, 1988·49 cites·10 claims
- 0485US5287674AMethod and apparatus for containing insulation using a barrier assemblySPERBER HENRY·Filed 1991·Granted Feb 22, 1994·78 cites·11 claims
- 0582US5131590AFibrous sprayed insulation having homogeneous densitySPERBER HENRY·Filed 1991·Granted Jul 21, 1992·46 cites·9 claims
- 0682US4648920AProcess for manufacturing batt-type insulation from loose fibrous particlesSPERBER HENRY·Filed 1985·Granted Mar 10, 1987·41 cites·13 claims
- 0769US4530468AReduced fiber insulation nozzleSPERBER HENRY·Filed 1984·Granted Jul 23, 1985·22 cites·13 claims
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