G01D 5/34
The beams of light being detected by photocells
Official title: the beams of light being detected by photocells
G01D5/34 (The beams of light being detected by photocells) appears on 5,833 US grants and 4,927 published applications in this corpus.
Search patents in G01D- Granted patents
- 5,833
- Published applications
- 4,927
- Assignees
- 2,119
- Inventors
- 9,182
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 25 | 0 |
| 1978 | 35 | 0 |
| 1979 | 33 | 0 |
| 1980 | 33 | 0 |
| 1981 | 37 | 0 |
| 1982 | 31 | 0 |
| 1983 | 27 | 0 |
| 1984 | 33 | 0 |
| 1985 | 53 | 0 |
| 1986 | 54 | 0 |
| 1987 | 90 | 0 |
| 1988 | 81 | 0 |
| 1989 | 70 | 0 |
| 1990 | 94 | 0 |
| 1991 | 119 | 0 |
| 1992 | 77 | 0 |
| 1993 | 85 | 0 |
| 1994 | 64 | 0 |
| 1995 | 60 | 0 |
| 1996 | 87 | 0 |
| 1997 | 85 | 0 |
| 1998 | 94 | 0 |
| 1999 | 92 | 0 |
| 2000 | 91 | 0 |
| 2001 | 85 | 23 |
| 2002 | 96 | 93 |
| 2003 | 108 | 105 |
| 2004 | 116 | 152 |
| 2005 | 101 | 188 |
| 2006 | 150 | 175 |
| 2007 | 153 | 182 |
| 2008 | 149 | 189 |
| 2009 | 137 | 164 |
| 2010 | 128 | 170 |
| 2011 | 105 | 158 |
| 2012 | 97 | 171 |
| 2013 | 146 | 209 |
| 2014 | 177 | 194 |
| 2015 | 193 | 257 |
| 2016 | 222 | 237 |
| 2017 | 229 | 265 |
| 2018 | 230 | 261 |
| 2019 | 264 | 256 |
| 2020 | 268 | 259 |
| 2021 | 225 | 244 |
| 2022 | 202 | 216 |
| 2023 | 181 | 218 |
| 2024 | 189 | 215 |
| 2025 | 181 | 174 |
| 2026 | 124 | 152 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01D 5/347Using displacement encoding scales2,364
- G01D 5/353Influencing the transmission properties of an optical fibre2,145
- G01D 5/36Forming the light into pulses1,012
- G01D 5/344Using polarisation207
- G01D 5/342The sensed object being the obturating part174
- G01D 5/341Controlling the movement of a following part22
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