Douglas J. Brouwer
24Patents
7h-index
21Co-inventors
69Inventor score
Filing activity: Feb 17, 1993 → Sep 25, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8079381B2 | Handle assembly for a water control valve | Emerging Cross-Sectional Technologies | 29 | Active |
| US5531524A | Self-adjusting bearing | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5611628A | Self-adjusting bearing | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5402822A | Anti-cavitation valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8800962B2 | Valve assembly having improved connections | Emerging Cross-Sectional Technologies | 8 | Active |
| US8297305B2 | Valve assembly having an improved flow path | Emerging Cross-Sectional Technologies | 8 | Active |
| US9334971B2 | Universal valve body | Emerging Cross-Sectional Technologies | 7 | Active |
| US5333327A | Apparatus for opening and closing a drain | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9372207B1 | Power sensing transducer | Physics | 4 | Active |
| US10072770B2 | Valve body rough-in guide | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9874287B2 | Service valve for a valve body | Emerging Cross-Sectional Technologies | 4 | Active |
| US9182045B2 | Concentric diverter cartridge | Emerging Cross-Sectional Technologies | 2 | Active |
| US9657874B2 | Plumbing fitting adapter | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11725373B2 | Drain system for bathtub | Fixed Constructions | 2 | Active |
| US9816637B2 | Testing cap for a valve body | Emerging Cross-Sectional Technologies | 2 | Active |
| US11306846B2 | Shower system | Emerging Cross-Sectional Technologies | 2 | Active |
| US11767930B2 | Shower system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9476508B2 | Valve assembly having improved rotational feel | Emerging Cross-Sectional Technologies | 1 | Active |
| US9915367B2 | Valve assembly having improved rotational feel | Emerging Cross-Sectional Technologies | 0 | Active |
| US12259062B2 | Shower system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9069359B2 | Pressure balance unit | Emerging Cross-Sectional Technologies | 0 | Active |
| US12385241B2 | Drain system for bathtub | Fixed Constructions | 0 | Active |
| US9086155B2 | Valve assembly having improved rotational feel | Emerging Cross-Sectional Technologies | 0 | Active |
| US12023692B2 | Shower system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.