Brian H. Welker
50Patents
16h-index
11Co-inventors
81Inventor score
Filing activity: Jan 24, 1983 → Feb 3, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5746328A | Pegboard-mountable adjustable merchandising rack | Physics | 197 | Expired |
| US5351839A | Vertically adjustable pusher point of purchase display | Human Necessities | 153 | Expired |
| US5596880A | Chilled beverage display container | Mechanical Engineering; Lighting; Heating | 125 | Expired |
| US7201281B1 | Adjustable modular merchandise pusher system | Human Necessities | 119 | Expired |
| US5353939A | Variable pusher point of purchase display | Human Necessities | 28 | Expired |
| US7156123B2 | Pressure reduction system for quick-connects | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6338359B1 | Dual automatic insertion device | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7681347B1 | Edge lit sign with illuminated image | Physics | 23 | Active |
| US4628750A | Integrated pump and sample vessel | Physics | 22 | Expired |
| US6964517B2 | Temperature probe and insertion device | Physics | 21 | Expired |
| US4928536A | Fluid sample apparatus featuring integral construction with a motor driven sampling system | Physics | 21 | Expired |
| US6085777A | Dual cylinder insertion apparatus | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6827486B2 | Temperature probe and insertion device | Physics | 19 | Expired |
| US5531130A | Pipeline sampling enclosure | Physics | 18 | Expired |
| US4922764A | Constant pressure sample cylinder with spheroid mixer | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5213586A | Vent check valve | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4459865A | Constant pressure cylinder with vortex mixer | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6259523A | Optical inspection insertion apparatus for pressurized vessels | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6092519A | Heated sample container case and method | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5907107A | Heated instrument regulator tip | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5945611A | Dual piston flow-through sampler | Physics | 10 | Expired |
| US5406855A | Solenoid actuated sampler | Physics | 9 | Expired |
| US6761757B2 | Instrument probe with valve and separator | Performing Operations; Transporting | 9 | Expired |
| US5579803A | Chromatograph protection device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8347694B2 | LNG collection system and method | Emerging Cross-Sectional Technologies | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.