Waltec, Inc.
11Patents
0Active
11Granted
31Portfolio score
Filing activity: Nov 3, 1980 → Sep 15, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4456021A | Sink with colander | Human Necessities | 46 | Expired |
| US4320540A | Discharge drain assembly | Human Necessities | 40 | Expired |
| US4726390A | Hose bibb vacuum breaker | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4478367A | Shower pulsator | Performing Operations; Transporting | 27 | Expired |
| US4493338A | Washerless faucet | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4662399A | Single lever mixing valve | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4630647A | Pipe repair clamp | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4424952A | Metering unit | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4337790A | Filtering device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4559650A | Stainless steel toilet | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4833740A | Integral sink deck support | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.