Headwaters Research & Development, Inc.
36Patents
2Active
36Granted
36Portfolio score
Filing activity: Oct 4, 1994 → Mar 7, 2018
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6434785B1 | Dual filter wet/dry hand-held vacuum cleaner | Human Necessities | 220 | Expired |
| US5704902A | Handholdable massager having combination massaging and dual function two speed actuator pad | Human Necessities | 126 | Expired |
| US6300871A | Multi-station RF thermometer and alarm system | Physics | 84 | Expired |
| USD369218S | Heat pack | General | 81 | Expired |
| US6046674A | Multi-station RF thermometer and alarm system | Physics | 75 | Expired |
| US6283930A | Travel massage brush | Human Necessities | 71 | Expired |
| US6953523B2 | Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants | Emerging Cross-Sectional Technologies | 51 | Expired |
| USD361386S | Heat massager | General | 41 | Expired |
| USD414875S | Portable body massager | General | 33 | Expired |
| US5969974A | Currency converter | Physics | 33 | Expired |
| USD456960S1 | Hand-held vacuum cleaner | General | 33 | Expired |
| US6246322A | Impulse characteristic responsive missing object locator operable in noisy environments | Physics | 23 | Expired |
| USD378135S | Handholdable massaging device | General | 20 | Expired |
| USD408439S | Currency converter | General | 18 | Expired |
| US6481043B2 | Rotary brush attachment tool for a hand-held vacuum cleaner | Human Necessities | 17 | Expired |
| US8638950B2 | Digital sound relaxation and sleep-inducing system and method | Physics | 13 | Active |
| USD441088S | Duck massager with removable attachment | General | 13 | Expired |
| USD436350S | RF receiver module | General | 12 | Expired |
| USD399320S | Digital sound relaxation system | General | 11 | Expired |
| USD436585S | RF transmitter module | General | 11 | Expired |
| USD378067S | Audible transmitter for locating missing objects | General | 11 | Expired |
| US6530114B2 | Dust wand cleaning appliance | Human Necessities | 9 | Expired |
| USD437304S | RF receiver module | General | 9 | Expired |
| USD402213S | RF thermometer transmitter | General | 8 | Expired |
| USD908199S1 | Air purifier | General | 8 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.