Randall J. Wright
21Patents
10h-index
5Co-inventors
68Inventor score
Filing activity: Jul 19, 1982 → Jun 14, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5279041A | Level straight-edge apparatus and method of construction | Physics | 35 | Expired |
| US5940978A | Builder's level with hand-grip feature | Physics | 34 | Expired |
| US4979310A | Composite level including an indexing system for aligning the frame with the cover plates | Physics | 30 | Expired |
| US4463501A | Level construction and methods of constructing a level | Physics | 30 | Expired |
| US4419833A | Composite level construction | Physics | 28 | Expired |
| US5339530A | Hand level instrument with composite metal and plastic body | Physics | 28 | Expired |
| USD280185S | Level | General | 27 | Expired |
| US6249983A | Levelling apparatus for a laser level | Physics | 23 | Expired |
| US7219808B2 | Display rack for levels | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4599806A | Carpenter's square and protractor | Performing Operations; Transporting | 11 | Expired |
| US4571845A | Polycast level instruments with means for retaining level vials therein | Physics | 10 | Expired |
| USD285780S | Level rule | General | 10 | Expired |
| US5003699A | Level vial with extender pitch range | Physics | 9 | Expired |
| US4559714A | Pitch measuring apparatus | Physics | 8 | Expired |
| US6151787A | Levelling apparatus for a builder's laser level | Physics | 8 | Expired |
| US6351875B1 | Apparatus for securing a level and a structural component to one another | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5875576A | Method and display card for labeling a tool | Physics | 4 | Expired |
| US5901445A | Method for making a builder's tool | Emerging Cross-Sectional Technologies | 3 | Expired |
| USD343363S | Hand level | General | 3 | Expired |
| USD314350S | Level | General | 1 | Expired |
| USD314522S | Level | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.