Alex Zelczer
13Patents
10h-index
3Co-inventors
65Inventor score
Filing activity: Nov 25, 1983 → Jan 24, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5458148A | Fluid flow control damper assembly and method | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6817378B2 | Fluid flow control damper assembly | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4545524A | Zone control apparatus for central heating and/or cooling systems | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US6105927A | Fluid flow control damper assembly and method | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6564819B2 | Fluid flow control damper assembly | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4742956A | Zone control apparatus for central heating and/or cooling systems | Physics | 22 | Expired |
| US5170986A | Flow control bladders for zone control apparatus | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US7178545B2 | Modulating bypass control system and method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4702412A | Zone control apparatus for central heating and/or cooling systems | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4600144A | Zone control apparatus for central heating and/or cooling systems | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6698445B2 | Fluid flow control damper assembly | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4848654A | Zone control and smoke damping apparatus for central heating and/or cooling systems | Physics | 3 | Expired |
| US5553498A | Pipe and duct run locator | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.