Dan Allen
54Patents
9h-index
32Co-inventors
78Inventor score
Filing activity: Jul 28, 1980 → Jul 28, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4343465A | Spring type arm wrestling device | Emerging Cross-Sectional Technologies | 21 | Expired |
| US9867513B1 | Medical toilet with user authentication | Human Necessities | 16 | Active |
| US9822519B2 | Intelligent dispensing toilet bidet system | Fixed Constructions | 14 | Active |
| US9595185B1 | User identifying toilet apparatus | Physics | 14 | Active |
| US9939307B2 | Optical proximity sensor based toilet with fill tube proximity level sensing | Human Necessities | 14 | Active |
| US10060111B2 | Toilet with air sampling exhaust | Physics | 11 | Active |
| US10107665B2 | Toilet with flush jet fill tube flow meter | Human Necessities | 11 | Active |
| US9737181B1 | Self-cleaning helical drain toilet | Fixed Constructions | 11 | Active |
| US9845593B2 | Modular toilet system and components | Fixed Constructions | 9 | Active |
| US9927302B1 | In-toilet apparatus for discrimination of urine and feces | Physics | 8 | Active |
| US9810686B1 | Urinalysis cassette and system | Human Necessities | 6 | Active |
| US9957705B2 | Helical drain for a toilet | Fixed Constructions | 4 | Active |
| US9801508B1 | Hidden hinge toilet seat and lid with water and electrical access | Human Necessities | 4 | Active |
| US9743903B1 | Trending user feedback based on toilet noise detection | Electricity | 4 | Active |
| USD1025813S1 | Ring | General | 4 | Active |
| US9751546B2 | Wheeled ladder caddy | Fixed Constructions | 3 | Active |
| US10383576B2 | Synthetic aperture photoplethysmography sensor | Human Necessities | 3 | Active |
| US10918362B2 | Toilet volatile organic compound analysis system for urine | Fixed Constructions | 2 | Active |
| US9970949B1 | Method for identifying and tracking pharmaceutical and nutritional products using nanoparticles of different sizes and shapes | Emerging Cross-Sectional Technologies | 2 | Active |
| US6142572A | Buddy tractor seat and mounting | Performing Operations; Transporting | 2 | Expired |
| US10167617B2 | Modular toilet system and components | Fixed Constructions | 1 | Active |
| US10077897B2 | Toilet with an LED diffuser strip | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9913626B1 | Excreta-sampling and chilling toilet | Emerging Cross-Sectional Technologies | 1 | Active |
| US11311156B2 | Instrumented toilet seat | Physics | 1 | Active |
| US10258261B2 | System for analyzing customized test strips | Fixed Constructions | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.