G01K 5/50
Arranged for free expansion or contraction
Official title: arranged for free expansion or contraction
G01K5/50 (Arranged for free expansion or contraction) appears on 77 US grants and 43 published applications in this corpus.
Search patents in G01K- Granted patents
- 77
- Published applications
- 43
- Assignees
- 74
- Inventors
- 177
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 2 | 2 |
| 2008 | 3 | 3 |
| 2009 | 1 | 4 |
| 2010 | 2 | 0 |
| 2011 | 3 | 2 |
| 2012 | 2 | 3 |
| 2013 | 2 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 4 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Powder bed fusion build plate thermal history indicator14 Apr 2026US 12,599,969 B2Rtx Corporation
- Extreme ultraviolet source temperature monitoring using confocal sensor10 Mar 2026US 12,572,066 B2KLA Corporation
- Heat exchanger differential oil temperature determination8 Apr 2025US 12,270,713 B2Pratt & Whitney Canada Corp.
- Window-based object detection and/or identification17 Sep 2024US 12,092,529 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Isolated temperature sensing for hems contacts20 Aug 2024US 12,066,336 B2TE Connectivity Solutions GmbH
- State determination method20 Aug 2026US 2026/0242860 A1Yokogawa Electric Corporation
- Temperature-measuring device and temperature-measuring method11 Jun 2026US 2026/0160611 A1Jfe Steel Corporation
- Powder bed fusion build plate thermal history indicator27 Feb 2025US 2025/0065413 A1Rtx Corporation
- Heat exchanger differential oil temperature determination27 Feb 2025US 2025/0067602 A1Pratt & Whitney Canada Corp.
- Multi-dimensional signal detection with optical sensors31 Oct 2024US 2024/0358256 A1
Most cited
By later US patents
- Multi-parameter fiber optic sensor for use in harsh environments184US 5,892,860 ACiDRA Corporation · 1999
- Distributed, spatially resolving optical fiber strain gauge127US 4,761,073 AUnited Technologies Corporation · 1988
- Distributed, spatially resolving optical fiber strain gauge81US 4,806,012 AUnited Technologies Corporation · 1989
- Fiber optic sensor having a multicore optical fiber and an associated sensing method75US 5,563,967 AMcDonnell Douglas Corporation · 1996
- Photothermal oscillator force sensor50US 4,772,786 AGeneral Electric Company · 1988