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PILKINGTON P E LIMITED patents filed
Company number: 02759088| Title | Date Filed | Status | Publication number |
|---|---|---|---|
| Infrared Afocal Telescope With Three Element Objective And Hybrid Surface | 1999-04-29 | Ceased | GB2339304 |
| Optical imaging system | 1999-04-28 | Ceased | GB2339923 |
| Objective lens system | 1999-04-28 | Ceased | GB2339303 |
| Lens mounting with circumferentially spaced bearings for axial movement | 1997-05-02 | Ceased | GB2312759 |
| A lens mounting arrangement having a resilient link | 1997-03-14 | Ceased | GB2311350 |
| Adjustment arrangement | 1996-09-16 | Ceased | GB2305232 |
| Locking mechanism | 1995-10-04 | Ceased | GB2293861 |
| Retractable head-up display combiner | 1995-10-03 | Ceased | GB2295133 |
| Illumination device | 1995-07-05 | Ceased | GB2291248 |
| Improvements in and relating to a locking arrangement | 1995-02-02 | Ceased | GB2286422 |
| Photochromic filter assemblies | 1993-03-24 | Ceased | GB2265471 |
| Photochromic filter assemblies | 1993-03-24 | Ceased | GB2287099 |
| Optical head-up display | 1991-09-12 | Granted | GB2249195 |
| Imaging device | 1990-06-29 | Ceased | GB2235849 |
| Telescopic optical device | 1990-06-15 | Ceased | GB2233785 |
| Constructing holograms | 1990-05-16 | Ceased | GB2231973 |
| Making reflective holographic optical elements | 1990-02-14 | Ceased | GB2229546 |
| Edge interrogated holographic optical elements. | 1989-10-16 | Ceased | GB2224133 |
| Optical display apparatus | 1989-08-08 | Terminated | GB2222892 |
| Thermal imaging optical system | 1989-05-03 | Ceased | GB2220275 |
| Dual magnification infra-red telescope | 1988-02-12 | Ceased | GB2201011 |
| Interference filter | 1987-09-24 | Ceased | GB2195787 |
| High emissivity article | 1987-07-22 | Granted | GB2193819 |
| Athermalised optical beam expander | 1987-03-13 | Ceased | GB2194072 |
| Display system | 1986-12-22 | Ceased | GB2185360 |
| Improvements in or relating to weapon aiming systems | 1986-12-12 | Ceased | GB2198505 |
| Improvements in or relating to lenses | 1986-09-04 | Ceased | GB2180954 |
| Catadioptric lenses | 1986-07-07 | Ceased | GB2177812 |
| Optical viewing apparatus | 1986-05-08 | Ceased | GB2190761 |
| Optical filters | 1986-05-02 | Ceased | GB2216678 |
| Improvements in or relating to cam mechanisms | 1985-11-22 | Ceased | GB2168124 |
| Graticule adjustment | 1985-10-08 | Ceased | GB2181266 |
| Infra-red optical systems | 1985-07-30 | Ceased | GB2162963 |
| Optically athermal infra-red lenses | 1985-07-01 | Ceased | GB2161616 |
| Improvements in or relating to reflection holograms | 1985-06-05 | Ceased | GB2159979 |
| Viewing apparatus having line of sight deviating elements | 1985-02-28 | Ceased | GB2155199 |
| Improvements in or relating to optical apparatus | 1985-02-05 | Ceased | GB2199154 |
| Improvements in or relating to eyeguards | 1984-11-22 | Ceased | GB2155654 |
| Improvements in or relating to optical filtering apparatus | 1984-11-15 | Ceased | GB2151035 |
| Improvements in or relating to optical filters | 1984-11-15 | Ceased | GB2151036 |
| Optical light beam splitter/combiner | 1984-06-26 | Ceased | GB2149933 |
| Glass and plastics objective lens for low light level viewing apparatus | 1984-05-22 | Terminated | GB2141556 |
| Optical apparatus for transmitting, and splitting infra-red and visible radiation | 1984-05-05 | Terminated | GB2158261 |
| Sighting apparatus | 1984-05-04 | Terminated | GB2159255 |
| Optical filtering devices | 1984-02-02 | Terminated | GB2153546 |
| Assembling transparent articles, eg solar cell covers, by use of markings | 1984-01-25 | Granted | GB2134688 |
| Eyepiece system for an infra-red optical system | 1984-01-20 | Ceased | GB2134280 |
| Biocular magnifying lens comprising positive fresnel lens | 1983-08-22 | Ceased | GB2126747 |
| Infra-red objective zoom lenses | 1983-08-12 | Ceased | GB2126370 |
| Improvements in or relating to display apparatus | 1983-05-31 | Ceased | GB2123657 |
| Improvements in or relating to display apparatus | 1983-04-12 | Granted | GB2120397 |
| Improvements in or relating to monitoring apparatus | 1982-12-09 | Granted | GB2112244 |
| Apparatus for mounting equipment on the wearers head | 1982-09-22 | Ceased | GB2107173 |
| Improvements in or relating to head-up displays | 1982-07-16 | Terminated | GB2123974 |
| Improvements in or relating to optical display apparatus | 1982-06-14 | Ceased | GB2103827 |
| Improvements in or relating to temperature responsive actuators particularly for optical systems | 1982-02-12 | Terminated | GB2093589 |
| Optical systems for viewing through apertures | 1981-10-01 | Terminated | GB2107077 |
| Eyepiece system for infra-red optical systems | 1981-06-29 | Ceased | GB2080564 |
| Optical apparatus for ascertaining eye accommodation state | 1981-06-03 | Granted | GB2078395 |
| Improvements in or relating to head-up displays | 1981-02-16 | Granted | GB2070798 |
| Optical viewing apparatus having catadioptriclens system | 1980-10-24 | Granted | GB2064159 |
| Eyepiece for infra-red optical system | 1980-07-24 | Ceased | GB2057157 |
| Transfer lenses | 1980-04-17 | Ceased | GB2049217 |
| Biocular viewing optical apparatus | 1979-11-19 | Ceased | GB2044476 |
| Catadioptric infra-red lenses | 1979-08-03 | Ceased | GB2030315 |
| Improvements in or Relating to Optical Apparatus | 1979-05-15 | Ceased | GB2021803 |
| Optical apparatus | 1979-04-05 | Granted | GB2020843 |
| Improvements in or relating to optical systems | 1978-09-21 | Granted | GB2005044 |
| Optical apparatus for directing a light beam of variable angle of incidence along a fixed path. | 1978-09-21 | Granted | GB2101348 |
| Objective lenses | 1978-08-29 | Ceased | GB2059094 |
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