Michael J. Williams
47Patents
15h-index
38Co-inventors
81Inventor score
Filing activity: Apr 19, 1996 → May 31, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6187188A | Filter cartridge retention system | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6500335B2 | Filter system base module with self-locking cartridge retainer | Performing Operations; Transporting | 54 | Expired |
| US6388732B1 | Method and apparatus for producing digital photographic prints | Electricity | 53 | Expired |
| USD484568S1 | Filter cartridge | General | 43 | Expired |
| US6740234B1 | Key track system | Performing Operations; Transporting | 43 | Expired |
| USD435631S | Filter cartridge | General | 38 | Expired |
| US7278420B2 | Oropharyngeal airway | Human Necessities | 35 | Expired |
| US6658931B1 | Fluid flow sensing and control method and apparatus | Physics | 22 | Expired |
| US11253423B1 | Variable stroke percussive massage device | Human Necessities | 21 | Active |
| US5794598A | Fuel circuit and circulation method for fuel injection system | Emerging Cross-Sectional Technologies | 20 | Expired |
| US8651346B1 | Wearable band including accessible memory and wearer information and call pendant | Human Necessities | 18 | Active |
| US5938921A | Water baffle for filter cartridge | Performing Operations; Transporting | 18 | Expired |
| USD987845S1 | Massage gun attachment head | General | 16 | Active |
| USD479300S1 | Filter cartridge | General | 16 | Expired |
| US5985144A | Reverse flow cartridge | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6019890A | Fuel filter with hand primer | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| USD988531S1 | Massage gun acupressure tip | General | 13 | Active |
| US5887573A | Fuel filter with cold start circuit | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| USD1000626S1 | Percussive massage gun | General | 10 | Active |
| US7412896B2 | Filter change indicator | Physics | 10 | Active |
| US5868931A | Primer system for filter assembly | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5915926A | Lift pump for filter module | Performing Operations; Transporting | 9 | Expired |
| US7137303B2 | Filter change indicator | Performing Operations; Transporting | 6 | Expired |
| USD987846S1 | Massager gun attachment shaft | General | 6 | Active |
| US8327924B2 | Heat exchanger fin containing notches | Mechanical Engineering; Lighting; Heating | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.