G01J 3/4531
Devices without moving parts
Official title: {Devices without moving parts}
G01J3/4531 (Devices without moving parts) appears on 171 US grants and 199 published applications in this corpus.
Search patents in G01J- Granted patents
- 171
- Published applications
- 199
- Assignees
- 132
- Inventors
- 378
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 3 | 4 |
| 2007 | 2 | 7 |
| 2008 | 5 | 4 |
| 2009 | 5 | 8 |
| 2010 | 5 | 8 |
| 2011 | 6 | 7 |
| 2012 | 2 | 8 |
| 2013 | 6 | 12 |
| 2014 | 5 | 10 |
| 2015 | 14 | 10 |
| 2016 | 8 | 5 |
| 2017 | 6 | 14 |
| 2018 | 12 | 12 |
| 2019 | 15 | 15 |
| 2020 | 19 | 14 |
| 2021 | 13 | 12 |
| 2022 | 11 | 11 |
| 2023 | 8 | 10 |
| 2024 | 6 | 8 |
| 2025 | 7 | 10 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual comb spectroscopy under no-walking condition17 Mar 2026US 12,578,227 B2The Regents of the University of Colorado, a body corporate
- Handheld optical spectroscopy scanner3 Feb 2026US 12,540,849 B2Buchi Labortechnik AG
- Apparatuses and methods for examining the movement of constituents within tissue cells21 Oct 2025US 12,449,358 B2Purdue Research Foundation
- MEMS device for interferometric spectroscopy5 Aug 2025US 12,379,252 B2Spectrove Inc.
- Method and apparatus for high performance wide field photothermal imaging and spectroscopy29 Jul 2025US 12,372,401 B2Photothermal Spectroscopy Corp.
- Interference measurement device and interference measurement method10 Sep 2026US 2026/0266661 A1Hamamatsu Photonics K.K.
- A device and a method for fourier transform spectroscopy and a system for spectral domain interferometric measurement11 Jun 2026US 2026/0157624 A1Imec Vzw
- Spectrofilometer4 Jun 2026US 2026/0153379 A1Layer Metrics Inc.
- Adjustable single-channel time-domain sampling filter, spectrometer, and detection method2 Apr 2026US 2026/0092812 A1Glitterintech (Xuzhou) Limited
- Method and apparatus for high performance wide field photothermal imaging and spectroscopy1 Jan 2026US 2026/0002817 A1Photothermal Spectroscopy Corp.
Most cited
By later US patents
- System and method for nonlinear optical devices94US 9,000,347 B2Telcordia Technologies, Inc. · 2015
- Fourier transform spectrometer using a multielement liquid crystal display63US 6,031,609 AThe Regents of the University of California · 2000
- Integrated optics in an electrically scanned imaging Fourier transform spectrometer51US 4,523,846 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1985
- Methods and systems for static multimode multiplex spectroscopy46US 7,092,101 B2Duke University · 2006
- Two-dimensional fourier transform spectrometer34US 8,526,002 B2Massachusetts Institute of Technology · 2013