Barnes Drill Co.
11Patents
0Active
11Granted
31Portfolio score
Filing activity: Oct 16, 1969 → Oct 2, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4850382A | Work booth for a robot | Performing Operations; Transporting | 35 | Expired |
| US3972161A | Solid abrading tool with fiber abrasive | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4686035A | Cylindrical drum magnetic separator | Performing Operations; Transporting | 16 | Expired |
| US4110218A | Liquid cleaning apparatus having cyclonic separators | Performing Operations; Transporting | 14 | Expired |
| US4421647A | Filter with indexable filter web | Performing Operations; Transporting | 14 | Expired |
| US4673502A | Fixed filter drum and movable scraper | Performing Operations; Transporting | 12 | Expired |
| US4062780A | Vacuum filter with indexable filter web | Performing Operations; Transporting | 9 | Expired |
| US4199455A | Combined magnetic and cyclonic separating apparatus | Performing Operations; Transporting | 6 | Expired |
| US5050352A | Honing stone assembly | Performing Operations; Transporting | 5 | Expired |
| US4528776A | Honing machine with stonewear compensator | Physics | 4 | Expired |
| US4025433A | Magnetic separating apparatus | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.