| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Israel | 2 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | Hong Kong | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Venting or aerating devices | |
| #3 | Domestic plumbing installations | |
| #4 | Fire-fighting | |
| #5 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weingarten Zvi | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2013092254A1 | Air release vent valve | |
| US2011297255A1 | Hydraulic torrent control valve | |
| IL192124D0 | Gripping valve seat | |
| IL143599D0 | Control valve | |
| US4658852A | Backflow preventer apparatus for fluid flow lines | |
| US4496132A | Sleeve valve with integral control chamber |