Benson Holdings Limited
18Patents
0Active
18Granted
31Portfolio score
Filing activity: Aug 13, 1974 → Jan 18, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4528448A | Plane linear grating for optically encoding information | Electricity | 31 | Expired |
| US4804979A | Single-pass color plotter | Physics | 29 | Expired |
| US4498737A | Adjusting mechanism for use with diode lasers | Physics | 25 | Expired |
| USD440317S | Baby bottle | General | 19 | Expired |
| US4734788A | Single pass electrostatic color printer/plotter having straight paper path | Electricity | 19 | Expired |
| USD440316S | Baby bottle | General | 17 | Expired |
| US4753503A | Laser scanning system | Electricity | 10 | Expired |
| US4721267A | Mounting assembly for a roll of material | Performing Operations; Transporting | 10 | Expired |
| US4680626A | Color image processing system for converting analog video-to-digital data | Electricity | 7 | Expired |
| US4740802A | Invisible electrostatic tracking indicia for color plotters | Physics | 6 | Expired |
| US4478480A | Holographic scanner spinner wobble correction system | Physics | 6 | Expired |
| US3943530A | Tracing apparatus with suction paper control means | Physics | 4 | Expired |
| US4419679A | Guadrascan styli for use in staggered recording head | Physics | 4 | Expired |
| US4631740A | Time base generator for color image processor | Electricity | 3 | Expired |
| US4672450A | Composite video synchronization pulse separator for color image processor | Electricity | 2 | Expired |
| US4417391A | Method for forming a staggered recording head | Emerging Cross-Sectional Technologies | 2 | Expired |
| US3931739A | Negative pressure detector | Physics | 0 | Expired |
| US4434222A | Method of forming infrared-sensitive photoconductors of cadmium salt crystallites | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.