Inventor · disambiguated record
Alex Zelczer
Also filed as: ZELCZER ALEX
13 granted patents·406 citations·filing 1983–2005
94Inventor score
Top patents by PatentIndex Score
13 records- 0191US6817378B2Fluid flow control damper assemblyABCO CONSULTING INC·Filed 2002·Granted Nov 16, 2004·48 cites·18 claims
- 0289US5458148AFluid flow control damper assembly and methodFiled 1993·Granted Oct 17, 1995·58 cites·21 claims
- 0388US6564819B2Fluid flow control damper assemblyFiled 2001·Granted May 20, 2003·30 cites·27 claims
- 0488US4545524AZone control apparatus for central heating and/or cooling systemsZELCZER ALEX·Filed 1983·Granted Oct 8, 1985·51 cites·28 claims
- 0587US6105927AFluid flow control damper assembly and methodFiled 1997·Granted Aug 22, 2000·51 cites·13 claims
- 0681US4742956AZone control apparatus for central heating and/or cooling systemsZELCZER ALEX·Filed 1986·Granted May 10, 1988·38 cites·11 claims
- 0779US7178545B2Modulating bypass control system and methodABCO CONSULTING INC·Filed 2005·Granted Feb 20, 2007·23 cites·19 claims
- 0869US5170986AFlow control bladders for zone control apparatusZELCZER ALEX·Filed 1991·Granted Dec 15, 1992·36 cites·16 claims
- 0969US4702412AZone control apparatus for central heating and/or cooling systemsZELCZER ALEX·Filed 1987·Granted Oct 27, 1987·25 cites·13 claims
- 1068US6698445B2Fluid flow control damper assemblyFiled 2003·Granted Mar 2, 2004·11 cites·20 claims
- 1155US4600144AZone control apparatus for central heating and/or cooling systemsZELCZER ALEX·Filed 1985·Granted Jul 15, 1986·17 cites·1 claims
- 1239US4848654AZone control and smoke damping apparatus for central heating and/or cooling systemsZELCZER ALEX·Filed 1987·Granted Jul 18, 1989·8 cites·15 claims
- 1336US5553498APipe and duct run locatorFiled 1994·Granted Sep 10, 1996·10 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →