Inventor · disambiguated record
Henry Sperber
Also filed as: SPERBER HENRY · SPERBER HENRY V
22 granted patents·931 citations·filing 1976–2002
97Inventor score
Top patents by PatentIndex Score
22 records- 0192US5389167AMethod for insulating a cavityFiled 1993·Granted Feb 14, 1995·99 cites·20 claims
- 0292US4712347AMethod and apparatus for containing insulation using nettingSPERBER HENRY V·Filed 1986·Granted Dec 15, 1987·92 cites·15 claims
- 0391US4978252AMaterial feeding apparatus using pressurized airSPERBER HENRY·Filed 1989·Granted Dec 18, 1990·71 cites·9 claims
- 0490US5647696ALoose material combining and depositing apparatusFiled 1995·Granted Jul 15, 1997·62 cites·27 claims
- 0589US4111493AFeeding apparatus for a pneumatic conveying systemSPERBER HENRY·Filed 1977·Granted Sep 5, 1978·38 cites·9 claims
- 0687US4768710AFibrous blown-in insulation having homogenous densitySPERBER HENRY·Filed 1987·Granted Sep 6, 1988·49 cites·10 claims
- 0786US4487365AReduced fiber insulation nozzleSPERBER HENRY V·Filed 1981·Granted Dec 11, 1984·60 cites·5 claims
- 0885US6796748B1Independently controllable multi-output insulation blowing machineCERTAIN TEED CORP·Filed 2000·Granted Sep 28, 2004·42 cites·17 claims
- 0985US6584749B2Insulating a building using insulating particles with foam and a webFiled 2001·Granted Jul 1, 2003·43 cites·24 claims
- 1085US5819496AContaining insulation using a barrier assembly that includes a substantially air impermeable layerFiled 1997·Granted Oct 13, 1998·75 cites·14 claims
- 1185US5287674AMethod and apparatus for containing insulation using a barrier assemblySPERBER HENRY·Filed 1991·Granted Feb 22, 1994·78 cites·11 claims
- 1282US5131590AFibrous sprayed insulation having homogeneous densitySPERBER HENRY·Filed 1991·Granted Jul 21, 1992·46 cites·9 claims
- 1382US4648920AProcess for manufacturing batt-type insulation from loose fibrous particlesSPERBER HENRY·Filed 1985·Granted Mar 10, 1987·41 cites·13 claims
- 1480US5421922AMethod for applying a foamed fiber insulationESTEVE LABOR DR·Filed 1994·Granted Jun 6, 1995·40 cites·8 claims
- 1576US5393794AInsulation material and method using fly ashFiled 1993·Granted Feb 28, 1995·37 cites·11 claims
- 1669US6820819B2Controlling insulation densityARK SEAL LLC·Filed 2002·Granted Nov 23, 2004·17 cites·15 claims
- 1769US4530468AReduced fiber insulation nozzleSPERBER HENRY·Filed 1984·Granted Jul 23, 1985·22 cites·13 claims
- 1863US6316510B1Foamable binder composition and methods for producing the sameFiled 2000·Granted Nov 13, 2001·4 cites·21 claims
- 1959US6796457B2Material feederARK SEAL LLC·Filed 2002·Granted Sep 28, 2004·6 cites·8 claims
- 2048USD249525SInsulation application unitARK SEAL CORP·Filed 1976·Granted Sep 19, 1978·4 cites·1 claims
- 2135US6231961B1Layered structures comprising particles, a dry binder and a foamable substanceFiled 1998·Granted May 15, 2001·5 cites·19 claims
- 2229USD254618SInsulation application unitARK SEAL CORP·Filed 1978·Granted Apr 1, 1980·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →