David A. Gray
26Patents
12h-index
19Co-inventors
78Inventor score
Filing activity: Feb 19, 1974 → Jun 3, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9095422B2 | Method and structure for nasal dilator | Performing Operations; Transporting | 47 | Active |
| US5044827A | Method for recovering wet buckled pipe | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US5417459A | Subsea umbilical connector | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| US4367638A | Reversible compressor heat pump | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US9427945B2 | Extendable self-supporting material composites and manufacture thereof | Emerging Cross-Sectional Technologies | 30 | Active |
| US5857715A | Pipeline branch arrangement | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| USD500547S1 | Reel | General | 24 | Expired |
| US4223222A | Suspended arm for a scintillation camera | Physics | 22 | Expired |
| US10328625B2 | Coextruded arc-induced materials | Performing Operations; Transporting | 21 | Active |
| US4535838A | Heat exchange coil and method of making | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US7801808B1 | Database structure for financial products with unique, consistent identifier for parties that assume roles with respect to the products and methods of using the database structure | Physics | 13 | Active |
| US3939874A | External pipe coatings for a reinforced pipe | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5381057A | ECL gate having active pull-down transistor | Electricity | 10 | Expired |
| US6782950B2 | Control wellhead buoy | Performing Operations; Transporting | 9 | Expired |
| US5477900A | Non-jamming pulpwood chipper chute and spout assembly | Performing Operations; Transporting | 6 | Expired |
| US9901128B2 | Antimicrobial apparel and fabric and coverings | Emerging Cross-Sectional Technologies | 5 | Active |
| US5178429A | Pipeline recovery head | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4176826A | Safety catch apparatus for a suspension system | Human Necessities | 5 | Expired |
| US9376600B2 | Extendable self-supporting material | Emerging Cross-Sectional Technologies | 3 | Active |
| US10182946B2 | Advanced fabric technology and filters | Performing Operations; Transporting | 3 | Active |
| US5455191A | Method of fabricating an ASIC cell having multiple contacts | Electricity | 2 | Expired |
| US8695269B1 | Fishing rod with line indicator grip | Human Necessities | 2 | Active |
| US11352715B2 | Active apparel and fabric and coverings | Performing Operations; Transporting | 1 | Active |
| US9447307B2 | Extendable self-supporting material | Emerging Cross-Sectional Technologies | 0 | Active |
| US11549199B2 | Active apparel and fabric and coverings | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.