Eaton Leonard Group
21Patents
0Active
21Granted
30Portfolio score
Filing activity: Apr 18, 1974 → Mar 9, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3944798A | Method and apparatus for measuring direction | Physics | 178 | Expired |
| US4063441A | Apparatus for bending tubes | Performing Operations; Transporting | 32 | Expired |
| US4122525A | Method and apparatus for profile scanning | Physics | 25 | Expired |
| US4495788A | Multiple curvature bender | Performing Operations; Transporting | 21 | Expired |
| US3974676A | Tube bending machine and carriage therefor | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4126030A | Retractable pressure die | Performing Operations; Transporting | 13 | Expired |
| US4178788A | Adjustable clamp die | Performing Operations; Transporting | 13 | Expired |
| US4201073A | Reaction bender for pipe | Performing Operations; Transporting | 12 | Expired |
| US4130004A | Method for bending tubes | Performing Operations; Transporting | 11 | Expired |
| US4635464A | Tube bending mandrel | Performing Operations; Transporting | 10 | Expired |
| US4269054A | Bending method | Performing Operations; Transporting | 10 | Expired |
| US6038903A | Dual headed bending machine | Performing Operations; Transporting | 10 | Expired |
| US4313324A | Reversible bending machine | Performing Operations; Transporting | 9 | Expired |
| US4080814A | Set-up guide for bending machine | Physics | 9 | Expired |
| US4232813A | Method and apparatus for making bent pipe | Performing Operations; Transporting | 9 | Expired |
| US3949582A | Positioning servo and controlled mechanism | Performing Operations; Transporting | 9 | Expired |
| US4078411A | Floating clamp die | Performing Operations; Transporting | 7 | Expired |
| US4193607A | Chuck with opposed gripping | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5426965A | Carriage boost drive | Performing Operations; Transporting | 6 | Expired |
| US4206620A | Dual motor carriage drive | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4318289A | Pipe cutting method and apparatus | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.