GRAYHILL, INC.
18Patents
12Active
18Granted
44Portfolio score
Filing activity: Dec 18, 1974 → Feb 17, 2022 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4476355A | Keyboard assembly | Electricity | 31 | Expired |
| US4031345A | Miniature electrical switch | Emerging Cross-Sectional Technologies | 17 | Expired |
| US3958090A | Miniature switch assembly | Electricity | 11 | Expired |
| US4590344A | Machine insertable DIP switch | Electricity | 11 | Expired |
| US4491703A | Detenting and contact registration system for a linear dip switch | Electricity | 10 | Expired |
| US8796566B2 | Rotary pushbutton and touchpad device and system and method for detecting rotary movement, axial displacement and touchpad gestures | Electricity | 9 | Active |
| US7355165B2 | Optical encoder and method for using same | Physics | 4 | Active |
| US10073488B2 | Multifunction joystick apparatus and a method for using same | Physics | 4 | Active |
| US4670630A | Machine insertable DIP switch | Electricity | 4 | Expired |
| US9996171B2 | Method for using a two-dimensional touchpad to manipulate a three-dimensional image | Physics | 3 | Active |
| US9733734B2 | Method for using a two-dimensional touchpad to manipulate a three-dimensional image | Physics | 3 | Active |
| US10847330B2 | No/low-wear bearing arrangement for a knob system | Electricity | 1 | Active |
| US10359866B2 | Method for using a two-dimensional touchpad to manipulate a three dimensional image | Physics | 1 | Active |
| US10048754B2 | Localized haptic response | Human Necessities | 0 | Active |
| US10671188B2 | Method for using a two-dimensional touchpad to manipulate a three dimensional image | Physics | 0 | Active |
| US11281326B2 | Touch encoder, touch panel, and input method editor with integrated development environment and methods thereof | Physics | 0 | Active |
| US11816280B2 | Touch encoder, touch panel, and input method editor with integrated development environment and methods thereof | Physics | 0 | Active |
| US10795494B2 | Touch encoder, touch panel, and input method editor with integrated development environment and methods thereof | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.