HARMONIC DESIGN, INC.
25Patents
3Active
25Granted
37Portfolio score
Filing activity: Jun 11, 1993 → May 3, 2010 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5391967A | Head rail-mounted mini-blind actuator | Emerging Cross-Sectional Technologies | 95 | Expired |
| US6433498B1 | Head rail-mounted actuator for window coverings | Emerging Cross-Sectional Technologies | 75 | Expired |
| USD361058S | Remote control unit for operating window blinds | General | 69 | Expired |
| US6060852A | Head rail-mounted actuator for window covering | Emerging Cross-Sectional Technologies | 64 | Expired |
| US6850017B1 | Head rail-mounted actuator for window coverings | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5729103A | Head rail-mounted actuator for window coverings | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5495153A | Head rail-mounted mini-blind actuator for vertical blinds and pleated shades | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6812662B1 | Photoelectric power supply system for motorized window coverings | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5907227A | Head rail-mounted actuator for window coverings | Emerging Cross-Sectional Technologies | 46 | Expired |
| US7673667B2 | Low power, high resolution position encoder for motorized window covering | Fixed Constructions | 45 | Expired |
| US5698958A | Head rail-mounted actuator for window coverings | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5444339A | Mini-blind actuator | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6189592A | Roll up shade doubled fabric having patterns thereon | Fixed Constructions | 40 | Expired |
| US5517094A | Head rail-mounted mini-blind actuator | Fixed Constructions | 37 | Expired |
| US5714855A | Head rail-mounted actuator for window coverings | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6062290A | Photocell mounting apparatus for vertical blinds | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5725040A | Suspension cord winding device for window covering | Fixed Constructions | 28 | Expired |
| US6338377B1 | Skylight assembly with head rail-mounted actuator | Fixed Constructions | 27 | Expired |
| US6870338B2 | Magnetic encoder for powered window covering | Emerging Cross-Sectional Technologies | 25 | Expired |
| USD359410S | Externally mounted operating device for operating window blinds | General | 18 | Expired |
| US6794778B1 | Braking system for powered window covering | Fixed Constructions | 14 | Expired |
| US9322569B2 | Systems and methods for a motorized vent covering in an environment control system | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7091682B2 | Frequency stabilizer circuit for window covering control chip clock | Fixed Constructions | 5 | Expired |
| US8141614B2 | Expanding coupling means for powered window covering | Electricity | 3 | Active |
| US8438782B2 | Apparatus for simultaneous louver operation on arched shutters | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.