Mark E. Williams
73Patents
16h-index
69Co-inventors
87Inventor score
Filing activity: Dec 22, 1987 → Nov 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5631618A | Magnetic arrays | Electricity | 170 | Expired |
| US5699621A | Positioner with long travel in two dimensions | Emerging Cross-Sectional Technologies | 89 | Expired |
| US5570750A | Rotary drill bit with improved shirttail and seal protection | Fixed Constructions | 72 | Expired |
| US5201376A | Rock bit with improved gage insert | Fixed Constructions | 57 | Expired |
| US7838263B2 | Methods of identifying a plant with an Nsf1 locus | Chemistry; Metallurgy | 46 | Active |
| US8007450B2 | Systems, devices, and methods for interpreting movement | Human Necessities | 42 | Expired |
| US5513711A | Sealed and lubricated rotary cone drill bit having improved seal protection | Fixed Constructions | 39 | Expired |
| US5429921A | Assays for agonists and antagonists of recombinant human calcium channels | Chemistry; Metallurgy | 36 | Expired |
| US6008437A | Use of anthocyanin genes to maintain male sterile plants | Chemistry; Metallurgy | 36 | Expired |
| US5750867A | Maintenance of male-sterile plants | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5880331A | Use of anthocyanin genes to maintain male sterile plants | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6353271B1 | Extreme-UV scanning wafer and reticle stages | Physics | 33 | Expired |
| US5977433A | Maintenance of male-sterile plants | Emerging Cross-Sectional Technologies | 29 | Expired |
| US8535247B2 | Systems, devices and methods for interpreting movement | Human Necessities | 28 | Active |
| US5407820A | Calcium channel .alpha.-2 subunit DNAs and cells expressing them | Physics | 19 | Expired |
| US6759575B2 | Barstar gene | Chemistry; Metallurgy | 17 | Expired |
| US5618720A | Cells expressing calcium channel .alpha.2 subunit-encoding DNA, optionally with a reporter gene for screening assays | Chemistry; Metallurgy | 16 | Expired |
| US5846757A | Human calcium channel .alpha..sub.1, .alpha..sub.2, and .beta. subunits and assays using them | Chemistry; Metallurgy | 14 | Expired |
| US4945779A | Ball screw rotary actuator | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5740871A | Flow diverter ring for a rotary drill bit and method | Fixed Constructions | 12 | Expired |
| US7705200B2 | Polynucleotide encoding a maize herbicide resistance gene and methods for use | Chemistry; Metallurgy | 12 | Active |
| US5686241A | Probes and assays for calcium channel .alpha..sub.2 subunit-encoding nucleic acids | Physics | 12 | Expired |
| US5792846A | Human calcium channel compositions and methods | Physics | 12 | Expired |
| US5755576A | Device and method for testing dexterity | Human Necessities | 11 | Expired |
| US5851824A | Human calcium channel .alpha.-1C/.alpha.-1D, .alpha.-2, .beta.-1, and .gamma.subunits and cells expressing the DNA | Chemistry; Metallurgy | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.