Headwaters R & D Inc
17Patents
8Active
17Granted
43Portfolio score
Filing activity: Sep 23, 1998 → Mar 2, 2017 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7438799B2 | Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants | Emerging Cross-Sectional Technologies | 60 | Expired |
| US8852073B2 | Relaxation inducing sleep mask | Human Necessities | 29 | Active |
| USD612612S1 | Facial care appliance | General | 26 | Expired |
| USD614276S1 | Room air cleaner | General | 22 | Expired |
| US7749155B1 | Digital sound relaxation and sleep-inducing system and method | Physics | 21 | Expired |
| USD571445S1 | Room air cleaner | General | 15 | Expired |
| US6937148B2 | Multi-station RF thermometer and alarm system | Physics | 15 | Expired |
| US7387729B2 | Filter cartridge for a standalone point of use water purification device | Chemistry; Metallurgy | 11 | Expired |
| US7621984B2 | Electrostatic filter cartridge for a tower air cleaner | Emerging Cross-Sectional Technologies | 10 | Active |
| US7627917B2 | Sound pillow | Human Necessities | 10 | Active |
| US10449326B2 | Audio tone programmed hygienic and therapeutic sleep and wake eye mask having remotely controlled sunrise and sunset multimodes | Human Necessities | 8 | Active |
| US7875104B2 | Electrostatic filter cartridge for a tower air cleaner | Emerging Cross-Sectional Technologies | 6 | Active |
| US8083840B2 | High cleaning efficiency room air cleaner with slim profile | Performing Operations; Transporting | 5 | Active |
| US8083696B2 | Light and massage multi-therapy hairbrush | Human Necessities | 5 | Active |
| US7595030B2 | Air-circulating, ionizing, air cleaner | Performing Operations; Transporting | 5 | Active |
| US7024723B2 | Duster cleaning member for a vacuum cleaner | Human Necessities | 3 | Expired |
| USD564649S1 | Room air cleaner | General | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.