Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359942 | Rotary encoder | Finlay Jonathan Evans | 2025-07-15 |
| 11549828 | Encoder | Finlay Jonathan Evans, Stephen Lindsey TOCKNELL, Richard David James Gearing | 2023-01-10 |
| 11009374 | Encoder | Finlay Jonathan Evans, Stephen Lindsey TOCKNELL, Richard David James Gearing | 2021-05-18 |
| 10982334 | Substrate treatment device and method and encoder scale treated by this method | Alexander David Scott Ellin, David R. McMurtry | 2021-04-20 |
| 10907997 | Encoder apparatus | Finlay Jonathan Evans, Stephen Lindsey TOCKNELL | 2021-02-02 |
| 9945697 | Measurement scale with periodic nanostructure | Matthew Donald Kidd, Nicholas John Weston, Marcus Ardron, John T. Dardis, II, Robert G. Thomson | 2018-04-17 |
| 8987633 | Laser marking | Alexander David Scott Ellin | 2015-03-24 |
| 8739425 | Encoder scale member and method for mounting | — | 2014-06-03 |
| 8674258 | Method and apparatus for scale manufacture without substantial removal of material | Alexander David Scott Ellin | 2014-03-18 |
| 8466943 | Laser marking | Alexander David Scott Ellin | 2013-06-18 |
| 7958620 | Method of producing a rotary encoder | — | 2011-06-14 |
| 7723639 | Substrate treatment device and method and encoder scale treated by this method | Alexander David Scott Ellin, David R. McMurtry | 2010-05-25 |
| 7659992 | Scale reading apparatus | David R. McMurtry | 2010-02-09 |
| 7367128 | Scale reading apparatus | David R. McMurtry, Alexander David Scott Ellin | 2008-05-06 |
| 7346993 | Rotary scale | David R. McMurtry, Alexander David Scott Ellin | 2008-03-25 |
| 6839980 | Determination of displacement | Richard John Hoodless | 2005-01-11 |
| 6772531 | Measurement apparatus including a track for a measurement scale and apparatus for tensioning the scale | Peter G Holden, Richard John Hoodless, Thomas I Mackintosh, David R. McMurtry | 2004-08-10 |
| 6701634 | Measurement apparatus including a track for a measurement scale and apparatus for tensioning the scale | Peter G Holden, Richard John Hoodless, Thomas I Mackintosh, David R. McMurtry | 2004-03-09 |
| 6588333 | Method for producing an optical scale | Michael Homer, Peter G Holden | 2003-07-08 |
| 6481115 | Scale reading apparatus | Thomas John Stickland | 2002-11-19 |
| 6476405 | Measurement apparatus having a diffraction grating structure | — | 2002-11-05 |
| 5861953 | Opto-electronic scale reading apparatus with differing optical path lengths | — | 1999-01-19 |
| 5726442 | Opto-electronic scale reading apparatus having light-transmissive phase-encoding array of elongate spectral encoding elements | — | 1998-03-10 |
| 5302820 | Opto-electronic scale reading apparatus having an array of elongate photo-sensitive elements and a periodic light pattern | Peter G Holden, Colin Keith Howley | 1994-04-12 |
| 5241173 | Readhead for producing signals when travelling along a scale having a set-up detector for detecting alignment of quadrature signals | Colin Keith Howley | 1993-08-31 |