G01D 18/00
Testing or calibrating apparatus or arrangements provided for in groups g01d1/00 -
Official title: Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
G01D18/00 (Testing or calibrating apparatus or arrangements provided for in groups g01d1/00 -) appears on 1,832 US grants and 1,807 published applications in this corpus.
Search patents in G01D- Granted patents
- 1,832
- Published applications
- 1,807
- Assignees
- 1,057
- Inventors
- 4,177
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 12 | 0 |
| 1985 | 7 | 0 |
| 1986 | 11 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 20 | 0 |
| 1990 | 13 | 0 |
| 1991 | 19 | 0 |
| 1992 | 23 | 0 |
| 1993 | 9 | 0 |
| 1994 | 17 | 0 |
| 1995 | 18 | 0 |
| 1996 | 23 | 0 |
| 1997 | 17 | 0 |
| 1998 | 28 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 23 | 11 |
| 2002 | 29 | 19 |
| 2003 | 36 | 44 |
| 2004 | 30 | 35 |
| 2005 | 36 | 36 |
| 2006 | 36 | 46 |
| 2007 | 36 | 53 |
| 2008 | 25 | 52 |
| 2009 | 25 | 76 |
| 2010 | 49 | 49 |
| 2011 | 57 | 57 |
| 2012 | 46 | 59 |
| 2013 | 57 | 78 |
| 2014 | 52 | 80 |
| 2015 | 49 | 114 |
| 2016 | 81 | 104 |
| 2017 | 86 | 91 |
| 2018 | 88 | 115 |
| 2019 | 108 | 107 |
| 2020 | 114 | 101 |
| 2021 | 99 | 95 |
| 2022 | 95 | 91 |
| 2023 | 83 | 90 |
| 2024 | 72 | 78 |
| 2025 | 62 | 80 |
| 2026 | 49 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Micro-vibration testing device for vital parameter evaluation and a method thereof6 Oct 2026US 12,754,046 B2
- Alarm event imaging by a security / automation system control panel29 Sep 2026US 12,749,383 B2Tyco Fire & Security GmbH
- Method and device for measuring a temperature and/or a strain in an optical fiber22 Sep 2026US 12,742,665 B2Eoss SA
- Self-calibration method for positioning of light fixture and light fixture15 Sep 2026US 12,736,206 B2Guangzhou Haoyang Electronic Co., Ltd.
- Leveller calibration device8 Sep 2026US 12,729,954 B2ArcelorMittal
- Sensor device system24 Sep 2026US 2026/0287394 A1Hosiden Corporation
- Impedance calibration method, electronic device, medium, and product17 Sep 2026US 2026/0276415 A1Honor Device Co., Ltd.
- Sensing apparatus17 Sep 2026US 2026/0276416 A1The Japan Steel Works, Ltd.
- Methods for calibrating a non-destructive testing apparatus17 Sep 2026US 2026/0276557 A1Airbus SAS
- Method for use in determining the measurement functionality of a meter17 Sep 2026US 2026/0281593 A1Landis+Gyr Technology, Inc.
Most cited
By later US patents
- Methods to shorten calibration times for powered devices1,351US 10,041,822 B2Covidien LP · 2018
- Oximeter sensor with digital memory encoding sensor expiration data606US 6,553,241 B2Mallinckrodt Inc. · 2003
- Tomographic calibration apparatus321US 4,613,754 AShell Oil Company · 1986
- Capacitive sensor systems and methods with increased resolution and automatic calibration277US 6,940,291 B1iRobot Corporation · 2005
- Capacitive sensor systems and methods with increased resolution and automatic calibration261US 6,661,239 B1iRobot Corporation · 2003