Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9869126 | Variable diameter stator and rotor for progressing cavity motor | — | 2018-01-16 |
| 9036245 | Electronically controlled stage lighting system | William Hewlett, Ian Clarke, Richard Parker, Mark Hunt, Michael Hughes | 2015-05-19 |
| 8764252 | Pan and tilt servomotor with brake | — | 2014-07-01 |
| 8757817 | Illumination obscurement device with two separate light cell arrays that produces a shaped beam of light as output | William Hewlett | 2014-06-24 |
| 8517577 | Pan and tilt servomotor with brake | — | 2013-08-27 |
| 8300302 | Electronically controlled stage lighting system | William Hewlett, Ian Clarke, Richard Parker, Mark Hunt, Michael Hughes | 2012-10-30 |
| 7985007 | Illumination obscurement device | William Hewlett | 2011-07-26 |
| 7900882 | Dual hook clamp | William Hewlett | 2011-03-08 |
| 7880957 | Electronically controlled stage lighting system | William Hewlett, Ian Clarke, Richard Parker, Mark Hunt, Michael Hughes | 2011-02-01 |
| 7841188 | Super cooler for a heat producing device | Bill Hewlett | 2010-11-30 |
| 7585093 | Illumination obscurement device | William Hewlett | 2009-09-08 |
| 7572035 | Illumination obscurement device | William Hewlett | 2009-08-11 |
| 7454915 | Super cooler for a heat producing device | William Hewlett | 2008-11-25 |
| 7379230 | Electronically controlled stage lighting system | William Hewlett, Ian Clarke, Richard Parker, Mark Hunt, Michael Hughes | 2008-05-27 |
| 7357741 | Belt looping | — | 2008-04-15 |
| 7230752 | Electronically controlled stage lighting system | William Hewlett, Ian Clarke, Richard Parker, Mark Hunt, Michael Hughes | 2007-06-12 |
| 7000417 | Super cooler for a heat producing device | William Hewlett | 2006-02-21 |
| 6988817 | Illumination obscurement device | William Hewlett | 2006-01-24 |
| 6865008 | Trimmer iris for use with a digitally shape-controlled lighting system | — | 2005-03-08 |
| 6775991 | Super cooler for a heat producing device | William Hewlett | 2004-08-17 |
| 6736528 | Electronically controlled stage lighting system | William Hewlett, Ian Clarke, Richard Parker, Mark Hunt, Michael Hughes | 2004-05-18 |
| 6714879 | Closed loop rheometer | John R. Wilkinson | 2004-03-30 |
| 6682031 | Dual hook clamp | William Hewlett | 2004-01-27 |
| 6648286 | Lamp-holding hook clamp and connector keyway | William Hewlett, Richard Parker | 2003-11-18 |
| 6622053 | Electronically controlled stage lighting system | William Hewlett, Ian Clarke, Richard Parker, Mark Hunt, Michael Hughes | 2003-09-16 |