G01B 9/02015
Characterised by the beam path configuration
Official title: characterised by the beam path configuration
G01B9/02015 (Characterised by the beam path configuration) appears on 1,727 US grants and 1,729 published applications in this corpus.
Search patents in G01B- Granted patents
- 1,727
- Published applications
- 1,729
- Assignees
- 813
- Inventors
- 3,175
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 7 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 12 | 0 |
| 1988 | 7 | 0 |
| 1989 | 14 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 24 | 0 |
| 1996 | 15 | 0 |
| 1997 | 16 | 0 |
| 1998 | 24 | 0 |
| 1999 | 19 | 0 |
| 2000 | 27 | 0 |
| 2001 | 28 | 5 |
| 2002 | 18 | 18 |
| 2003 | 27 | 60 |
| 2004 | 38 | 47 |
| 2005 | 35 | 67 |
| 2006 | 49 | 60 |
| 2007 | 54 | 54 |
| 2008 | 48 | 67 |
| 2009 | 69 | 43 |
| 2010 | 49 | 82 |
| 2011 | 50 | 76 |
| 2012 | 33 | 87 |
| 2013 | 69 | 87 |
| 2014 | 68 | 69 |
| 2015 | 76 | 83 |
| 2016 | 75 | 78 |
| 2017 | 75 | 74 |
| 2018 | 88 | 83 |
| 2019 | 89 | 78 |
| 2020 | 72 | 107 |
| 2021 | 89 | 94 |
| 2022 | 85 | 85 |
| 2023 | 56 | 75 |
| 2024 | 56 | 60 |
| 2025 | 71 | 43 |
| 2026 | 34 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01B 9/02027Two or more interferometric channels or interferometers724
- G01B 9/02017With multiple interactions between the target object and light beams484
- G01B 9/02029Combination with non-interferometric systems, i.e. for measuring the object345
- G01B 9/02032Generating a spatial carrier frequency115
- G01B 9/02022Contacting one object by grazing incidence113
- G01B 9/02024Measuring in transmission, i.e. light traverses the object93
- G01B 9/02023Indirect probing of object75
- G01B 9/02025Interference between three or more discrete surfaces38
All 9 subgroupsShow fewer
Recent patents
- Interferometric displacement measurement apparatus15 Sep 2026US 12,736,324 B2Oxford University Innovation Limited
- Low-bulk interferometric sensor11 Aug 2026US 12,704,369 B2Sciences Et Techniques Industrielles De La Lumiere
- Method for super-resolution microscopic interferometric measurement based on broadband annular radially polarized light28 Jul 2026US 12,693,112 B2Nanjing University of Science and Technology
- Interferometric wavemeter for broadband sensors in photonic systems21 Jul 2026US 12,687,383 B2Intel Corporation
- Bonding energy measurement21 Jul 2026US 12,687,485 B2Tokyo Electron Limited
- Interference observation device and interference observation method1 Oct 2026US 2026/0298613 A1Hamamatsu Photonics K.K.
- Compact interferometer1 Oct 2026US 2026/0298614 A1United Kingdom Research and Innovation
- Device for carrying out an optical coherence tomography10 Sep 2026US 2026/0266588 A1Heidelberg Engineering GmbH
- Device for measuring the eye length3 Sep 2026US 2026/0256354 A1Heidelberg Engineering GmbH
- Device for performing optical coherence tomography27 Aug 2026US 2026/0248381 A1Heidelberg Engineering GmbH
Most cited
By later US patents
- Method and apparatus for optical imaging with means for controlling the longitudinal range of the sample1,199US 5,321,501 AMassachusetts Institute of Technology · 1994
- Methods and apparatus for forward-directed optical scanning instruments1,184US 6,485,413 B1The General Hospital Corporation · 2002
- Method and apparatus for performing optical measurements1,018US 5,459,570 AMassachusetts Institute of Technology · 1995
- Methods and apparatus for high speed longitudinal scanning in imaging systems551US 6,191,862 B1LightLab Imaging, Inc. · 2001
- Method and apparatus for acquiring images using a ccd detector array and no transverse scanner522US 5,465,147 AMassachusetts Institute of Technology · 1995