Peter D. Berkman
24Patents
13h-index
15Co-inventors
78Inventor score
Filing activity: Jul 1, 2002 → Aug 17, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD752199S1 | Bath fan with speaker | General | 64 | Active |
| USD745652S1 | Fan grille | General | 35 | Active |
| USD752202S1 | Fan grille | General | 29 | Active |
| USD499172S1 | Ball valve body | General | 25 | Expired |
| US8763750B1 | Audio equipped fan | Electricity | 24 | Active |
| USD808001S1 | Square fan grille | General | 24 | Active |
| US6880573B2 | Frost free valve assembly | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD503216S1 | Valve handle | General | 22 | Expired |
| US9609407B2 | Method of manufacturing an audio equipped fan assembly | Electricity | 18 | Active |
| US7140390B2 | Frost free valve assembly | Emerging Cross-Sectional Technologies | 18 | Expired |
| US9398357B2 | Audio equipped fan | Electricity | 18 | Active |
| USD486204S1 | Ball valve body | General | 18 | Expired |
| USD516678S1 | Hose bib valve | General | 18 | Expired |
| USD472962S1 | Valve handle | General | 10 | Expired |
| US9344787B2 | Audio equipped fan | Emerging Cross-Sectional Technologies | 8 | Active |
| USD516679S1 | Hose bib valve body | General | 7 | Expired |
| USD517172S1 | Sillcock valve | General | 6 | Expired |
| US9584892B2 | Speaker and showerhead assembly | Electricity | 6 | Active |
| USD924175S1 | Smart switch | General | 5 | Active |
| USD753264S1 | Showerhead | General | 4 | Active |
| USD933194S1 | Fan grille | General | 3 | Active |
| USD932611S1 | Fan grille | General | 2 | Active |
| US7549444B2 | Frost free valve assembly | Emerging Cross-Sectional Technologies | 2 | Expired |
| US12036500B2 | Fan assembly with filtering and exhaust | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.