Inventor · disambiguated record
Ruth Zelczer
Also filed as: ZELCZER RUTH
6 granted patents·188 citations·filing 1987–1997
86Inventor score
Files withZELCZER ALEX3
Top patents by PatentIndex Score
6 records- 0189US5458148AFluid flow control damper assembly and methodFiled 1993·Granted Oct 17, 1995·58 cites·21 claims
- 0287US6105927AFluid flow control damper assembly and methodFiled 1997·Granted Aug 22, 2000·51 cites·13 claims
- 0369US5170986AFlow control bladders for zone control apparatusZELCZER ALEX·Filed 1991·Granted Dec 15, 1992·36 cites·16 claims
- 0469US4702412AZone control apparatus for central heating and/or cooling systemsZELCZER ALEX·Filed 1987·Granted Oct 27, 1987·25 cites·13 claims
- 0539US4848654AZone control and smoke damping apparatus for central heating and/or cooling systemsZELCZER ALEX·Filed 1987·Granted Jul 18, 1989·8 cites·15 claims
- 0636US5553498APipe 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 →