Indian Head, Inc.
38Patents
0Active
38Granted
37Portfolio score
Filing activity: May 6, 1974 → Mar 7, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4073514A | Combination pipe fitting and retainer ring | Mechanical Engineering; Lighting; Heating | 95 | Expired |
| US4248459A | Flexible conduit system | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4398097A | Automatic transfer switch | Electricity | 70 | Expired |
| US3974599A | Underground reinforced plastic enclosure | Fixed Constructions | 67 | Expired |
| US3944058A | Bottle conveyor system including adjustable height continuous belt conveyor and positive lock spray shielded rotatable bottle carrier | Performing Operations; Transporting | 47 | Expired |
| US4124324A | Modular cable trench system | Electricity | 42 | Expired |
| US4037810A | Pipe bracket and clamp | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US4309855A | Wall drainage system | Fixed Constructions | 30 | Expired |
| US4440425A | Flexible conduit system | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4647074A | Flexible conduit system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4214668A | Electrical box and mounting bracket assembly | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4209661A | Conductor clamping device | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4172578A | Device for clamping conduit | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US3951125A | Football passer | Human Necessities | 19 | Expired |
| US4071159A | Electrical junction and switch boxes | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4081124A | Carton wall with reinforcing rib | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4036389A | Retainer clip and synthetic resin box combination | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4524999A | Flexible conduit system | Electricity | 12 | Expired |
| US4031814A | Self-centering spring actuated auxiliary brake mechanism | Performing Operations; Transporting | 10 | Expired |
| US4098932A | Ultra high speed bottle coating process | Performing Operations; Transporting | 10 | Expired |
| US4044983A | Retractable plasma container holder | Human Necessities | 9 | Expired |
| US4002143A | Hot end glass container coating system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4277887A | Conduit cutting apparatus | Performing Operations; Transporting | 7 | Expired |
| US4364292A | Floor or bench mounted conduit cutting device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4225103A | Pipe clamp device | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.