G01H 13/00
Measuring resonant frequency
G01H13/00 (Measuring resonant frequency) appears on 487 US grants and 433 published applications in this corpus.
Search patents in G01H- Granted patents
- 487
- Published applications
- 433
- Assignees
- 380
- Inventors
- 1,156
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 1 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 3 |
| 2002 | 8 | 6 |
| 2003 | 5 | 5 |
| 2004 | 6 | 8 |
| 2005 | 9 | 13 |
| 2006 | 9 | 12 |
| 2007 | 4 | 3 |
| 2008 | 7 | 8 |
| 2009 | 7 | 6 |
| 2010 | 2 | 8 |
| 2011 | 4 | 12 |
| 2012 | 10 | 12 |
| 2013 | 11 | 12 |
| 2014 | 17 | 25 |
| 2015 | 14 | 21 |
| 2016 | 18 | 21 |
| 2017 | 11 | 21 |
| 2018 | 26 | 22 |
| 2019 | 17 | 29 |
| 2020 | 21 | 27 |
| 2021 | 23 | 39 |
| 2022 | 35 | 34 |
| 2023 | 35 | 26 |
| 2024 | 26 | 28 |
| 2025 | 18 | 20 |
| 2026 | 14 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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