Robert A. Trotta
65Patents
34h-index
36Co-inventors
88Inventor score
Filing activity: Oct 30, 1975 → May 12, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5787586A | Shaving system and method | Performing Operations; Transporting | 135 | Expired |
| US5784790A | Shaving razor and method | Performing Operations; Transporting | 131 | Expired |
| US6052903A | Dispensing razor blade cartridges used with a handle | Performing Operations; Transporting | 130 | Expired |
| US5813293A | Shaving system and method | Performing Operations; Transporting | 110 | Expired |
| US6041926A | Dispensing razor blade cartridges used with a handle | Performing Operations; Transporting | 109 | Expired |
| US5855071A | Razor handle | Performing Operations; Transporting | 108 | Expired |
| US4094063A | Razor assembly with pivotally mounted cartridge | Performing Operations; Transporting | 100 | Expired |
| US8033023B2 | Shaving razors and cartridges | Performing Operations; Transporting | 92 | Active |
| US6029354A | Shaving system and method | Performing Operations; Transporting | 90 | Expired |
| US4413411A | Razor handle | Performing Operations; Transporting | 88 | Expired |
| US5299354A | Oscillating shaver | Performing Operations; Transporting | 84 | Expired |
| US4422237A | Razor handle | Performing Operations; Transporting | 83 | Expired |
| US4624051A | Shaving unit | Performing Operations; Transporting | 81 | Expired |
| US4198746A | All plastic swivel head razor handle | Performing Operations; Transporting | 77 | Expired |
| US5918369A | Shaving system and method | Performing Operations; Transporting | 71 | Expired |
| US5056222A | Shaving system | Performing Operations; Transporting | 69 | Expired |
| US5067238A | Shaving system | Performing Operations; Transporting | 67 | Expired |
| US5497550A | Shaving system | Performing Operations; Transporting | 65 | Expired |
| US4281456A | Razor handle with a pivotal connection means for an element of a blade cartridge mounted thereon | Performing Operations; Transporting | 65 | Expired |
| US4403412A | Razor blade assembly | Performing Operations; Transporting | 64 | Expired |
| US4875288A | Shaving device | Performing Operations; Transporting | 61 | Expired |
| US4807360A | Shaving device | Performing Operations; Transporting | 57 | Expired |
| US6192586A | Dispensing razor blade cartridges used with a handle | Performing Operations; Transporting | 54 | Expired |
| USD277987S | Razor handle | General | 52 | Expired |
| US6237232A | Dispensing razor blade cartridges used with a handle | Performing Operations; Transporting | 48 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.