Robert L. Arnold
35Patents
19h-index
13Co-inventors
78Inventor score
Filing activity: Apr 3, 1978 → Dec 30, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5178047A | Reversible ratchet wrench | Performing Operations; Transporting | 89 | Expired |
| US5199335A | Flex-head tool with locking feature | Performing Operations; Transporting | 89 | Expired |
| US4947713A | Elastomeric sleeve on rearward portion of wrench socket to facilitate recognition and selection of the socket | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5913954A | Pawl for a low profile wrench | Performing Operations; Transporting | 72 | Expired |
| US6918323B2 | Reversible ratcheting tool with improved pawl | Performing Operations; Transporting | 72 | Expired |
| US5901620A | Sockets for a ratchet wrench | Performing Operations; Transporting | 67 | Expired |
| US5911798A | Handle extension for ratchet wrench | Performing Operations; Transporting | 63 | Expired |
| US5233891A | Detent means | Performing Operations; Transporting | 57 | Expired |
| US5819606A | Plastic identification insert for sockets | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5199330A | Reversing ratchet wrench | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5794496A | Pawl module for ratchet wrench | Performing Operations; Transporting | 50 | Expired |
| US4800786A | Elastomeric sleeve for wrench socket and method of manufacture thereof | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4825732A | Elastomeric sleeve for conventional wrench sockets | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4836059A | Elastomeric sleeve for conventional wrench sockets | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6389931B1 | Extension to a driver tool | Performing Operations; Transporting | 41 | Expired |
| US5873148A | Ergonomic handle system | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5768788A | Hacksaw with improved blade tension mechanism | Performing Operations; Transporting | 32 | Expired |
| US7185566B2 | Reversible ratcheting tool with improved pawl | Performing Operations; Transporting | 31 | Expired |
| US4162640A | Hose-clamp pliers | Performing Operations; Transporting | 23 | Expired |
| US7311019B2 | Ratchet wrench | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7263919B2 | Ratcheting tool with vertically curved tooth arrangement | Performing Operations; Transporting | 15 | Expired |
| US7073412B1 | Method of forming a pawl pocket for a ratcheting tool and tool thereby formed | Performing Operations; Transporting | 15 | Expired |
| US6711973B2 | Ratchet wrench | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6971287B2 | Reversible ratcheting tool with improved control member | Performing Operations; Transporting | 12 | Expired |
| US6988429B2 | Reversible ratcheting tool with improved control member | Performing Operations; Transporting | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.