John G. Williams
22Patents
11h-index
25Co-inventors
75Inventor score
Filing activity: Mar 10, 1975 → Sep 25, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5126239A | Process for detecting polymorphisms on the basis of nucleotide differences | Emerging Cross-Sectional Technologies | 105 | Expired |
| US5330916A | Cellular component extraction apparatus and disposable vessel useful therein | Emerging Cross-Sectional Technologies | 96 | Expired |
| US5114858A | Cellular component extraction process in a disposable filtration vessel | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4221933A | Data storage and retrieval structure for a message storage system | Electricity | 46 | Expired |
| US5211732A | Method for forming a porous glass preform | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5116400A | Apparatus for forming a porous glass preform | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5858189A | Sample holder and method for automated high throughput electrophoresis | Physics | 19 | Expired |
| US4158269A | Nutrient dispersal device | Human Necessities | 13 | Expired |
| US5921477A | Apparatus for tissue preparation | Physics | 13 | Expired |
| US4897986A | Cane harvester feed roll mounting apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US3987818A | Safety trip valve for steam or gas turbines with means to assure controlled opening from the closed position | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5279149A | Dielectric viscometer including fixed and variable cells | Physics | 11 | Expired |
| US5100736A | Polymer-reinforced metal matrix composite | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4862735A | Microviscometer | Physics | 7 | Expired |
| US4027928A | Cooling and lubrication arrangement for water cooled bearings having self contained lubrication systems | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US3955424A | Integral mechanical governor | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5658365A | Apparatus for applying tension to a fiber preform during soot deposition | Chemistry; Metallurgy | 3 | Expired |
| US10815006B2 | Landing strobe signature | Performing Operations; Transporting | 0 | Active |
| US10766638B1 | Landing strobe, system and method for deploying the landing strobe | Physics | 0 | Active |
| US10818191B2 | Landing zone designation system and method | Physics | 0 | Active |
| US8323209B2 | Chorionic villus sampling catheter | Human Necessities | 0 | Active |
| US11164470B2 | Landing zone designation system and method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.