Zvi Weingarten
42Patents
13h-index
2Co-inventors
71Inventor score
Filing activity: Feb 13, 1978 → May 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4662598A | Sleeve valve with integral control chamber | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US5383646A | Diaphragm control valve | Physics | 32 | Expired |
| USD460526S1 | Control valve | General | 22 | Expired |
| US5464064A | Valve particularly useful in fire extinguishing systems | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4221361A | Diaphragm valves | Emerging Cross-Sectional Technologies | 19 | Expired |
| USD437917S | Control flow valve | General | 18 | Expired |
| US7398955B2 | Gripping valve seat | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US4496132A | Sleeve valve with integral control chamber | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US7124774B2 | Control valve | Emerging Cross-Sectional Technologies | 16 | Expired |
| USD335331S | Diaphragm valve | General | 15 | Expired |
| USD674467S1 | Air release valve | General | 14 | Active |
| USD687124S1 | Air release valve | General | 14 | Active |
| USD674468S1 | Air release valve | General | 14 | Active |
| USD617878S1 | Hydraulic control valve | General | 12 | Expired |
| US4862914A | Multi-position valve for backflushing filters | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4658852A | Backflow preventer apparatus for fluid flow lines | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD660404S1 | Hydraulic automatic control valve | General | 8 | Expired |
| USD700954S1 | Air release valve | General | 8 | Active |
| US6976668B2 | Roll diaphragm control valve | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD700679S1 | Air release valve | General | 6 | Active |
| US9803755B2 | Deluge valve with valve seat drain | Mechanical Engineering; Lighting; Heating | 5 | Active |
| USD700680S1 | Air release valve | General | 5 | Active |
| US11144077B2 | Pressure reducing valve with shut off | Emerging Cross-Sectional Technologies | 4 | Active |
| US11126209B1 | Pressure reducing and relief valve | Physics | 4 | Active |
| USD828496S1 | Air and vacuum release valve | General | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.