Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7036187 | Reinforcer for wrapped band friction hinges | — | 2006-05-02 |
| 6754081 | Pop-up friction hinge having multiple levels of torque | Yury Karfiol, Douglas A. Collins | 2004-06-22 |
| 6513197 | Friction hinge with pop-up feature | Yury Karfiol | 2003-02-04 |
| 6470532 | Cam hinge with controlled friction for improved cam operation | — | 2002-10-29 |
| 6226177 | Friction hinge having high thermal conductivity | David A. Carpenter | 2001-05-01 |
| 5918348 | Friction hinge with detent capability | David A. Carpenter, Mikhail Gelfand | 1999-07-06 |
| 5851081 | Bi-stable spring loaded pivoting joint | — | 1998-12-22 |
| 5771540 | Equilibrated hinge with variable frictional torque | David A. Carpenter, Mikhail Gelfand | 1998-06-30 |
| 5507374 | Clutch controlled roller shade mechanism with integral overrunning ratchet | — | 1996-04-16 |
| 5482105 | Clutch control for roller shades | — | 1996-01-09 |
| 5385315 | Tape-spool retention member | Robert L. Mozdzer | 1995-01-31 |
| 5375643 | Spring clutch assembly with reduced radial bearing forces | — | 1994-12-27 |
| 5231734 | Friction hinge assembly | — | 1993-08-03 |
| 5228491 | Monocontrol venetian blind | Martin Waine | 1993-07-20 |
| 5079799 | Friction hinge assembly | Martin Waine | 1992-01-14 |
| 5058720 | Methods for reducing lost motion and wire distortion in spring clutches | Martin Waine | 1991-10-22 |
| 4729418 | Trunnion and bracket for rollers | — | 1988-03-08 |
| 4697630 | Tilt mechanism for venetian blinds | — | 1987-10-06 |
| 4623012 | Headrail hardware for hanging window coverings | Jules Nisenson, Martin Waine | 1986-11-18 |
| 4499937 | Window shade system for reducing heat transport through windows | Martin Waine, Jules Nisenson | 1985-02-19 |
| 4433765 | Spring clutches | Jules Nisenson, Martin Waine | 1984-02-28 |
| 4427100 | Reversible tool handle | Jules Nisenson, Martin Waine | 1984-01-24 |