Michael Williamson
28Patents
10h-index
13Co-inventors
72Inventor score
Filing activity: Oct 25, 1978 → May 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5792419A | Mechanically loaded direct air circulation commodity disinfestation chamber | Human Necessities | 48 | Expired |
| US5825211A | Oversampled state machine for jitter tolerant pulse detection | Electricity | 47 | Expired |
| US6002274A | Oversampled state machine for jitter tolerant pulse detection | Electricity | 46 | Expired |
| US6171561A | Mechanically loaded direct air circulation commodity disinfestation chamber | Human Necessities | 41 | Expired |
| US4580016A | Method and apparatus for checking the integrity of a communications channel in a voice store and forward system | Electricity | 35 | Expired |
| US6146600A | Side body disingestation chamber | Human Necessities | 35 | Expired |
| US6447737B1 | Mechanically loaded direct air circulation commodity disinfestation chamber | Human Necessities | 21 | Expired |
| US4846303A | Two-position ladder | Performing Operations; Transporting | 16 | Expired |
| US4211887A | Electrical furnace, zones balanced with a symmetrically tapped transformer | Electricity | 13 | Expired |
| US5715681A | Hydraulic master cylinder | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4282393A | Electrode melting-Z type electrode firing with continuous zones | Electricity | 9 | Expired |
| US4433419A | Electrode purge sleeve for glass melting furnaces | Electricity | 8 | Expired |
| US4324942A | Electric glass melting furnace | Electricity | 7 | Expired |
| US4531218A | Glass melting furnace | Chemistry; Metallurgy | 5 | Expired |
| US6616246B1 | Hydraulic braking systems for vehicles | Performing Operations; Transporting | 5 | Expired |
| US6912851B2 | Hydraulic brake valve | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9782652B2 | Heavy bag workout monitor systems | Human Necessities | 4 | Active |
| US5684839A | Apparatus for adjusting sample points based upon measured intersymbol interference | Electricity | 3 | Expired |
| US11090675B2 | Sprinkler with height adjustment | Performing Operations; Transporting | 2 | Active |
| US6729132B2 | Remotely and directly pedal operated hydraulic compact booster for bi-directional braking | Performing Operations; Transporting | 2 | Expired |
| US6629585B2 | Vehicle braking system | Performing Operations; Transporting | 2 | Expired |
| US5558002A | Hydraulic boosters for vehicle hydraulic systems | Performing Operations; Transporting | 2 | Expired |
| US4309567A | Furnace forehearth electrode groups having less than 90.degree. phase difference between adjacent groups | Electricity | 1 | Expired |
| US4569055A | Forehearth electrode firing | Electricity | 1 | Expired |
| US4319068A | Apparatus for supporting and insulating an electrode | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.