G01N 3/307
Generated by a compressed or tensile-stressed spring
Official title: generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
G01N3/307 (Generated by a compressed or tensile-stressed spring) appears on 116 US grants and 89 published applications in this corpus.
Search patents in G01N- Granted patents
- 116
- Published applications
- 89
- Assignees
- 107
- Inventors
- 331
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 3 |
| 2004 | 1 | 1 |
| 2005 | 3 | 4 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 3 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 2 |
| 2012 | 3 | 0 |
| 2013 | 2 | 3 |
| 2014 | 0 | 3 |
| 2015 | 3 | 4 |
| 2016 | 3 | 5 |
| 2017 | 3 | 4 |
| 2018 | 5 | 7 |
| 2019 | 5 | 5 |
| 2020 | 5 | 7 |
| 2021 | 3 | 5 |
| 2022 | 7 | 8 |
| 2023 | 5 | 6 |
| 2024 | 7 | 4 |
| 2025 | 8 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impact device for impact excitation measurements8 Sep 2026US 12,730,047 B2Grindosonic BV
- Air gun shock test apparatus19 May 2026US 12,631,517 B2Raytheon Company
- Submersible impact test hammer31 Mar 2026US 12,590,875 B1The United States of America as represented by the Secretary of the Navy
- Striking device24 Mar 2026US 12,584,817 B2Impact, Inc.
- Testing device and method for simulating coalbump of passing through fault30 Dec 2025US 12,510,447 B2Chongqing University
- Impact test system and method of testing a helmeted impact28 May 2026US 2026/0146929 A1The Government of the United States, as represented by the Secretary of the Army
- Rheometer normal force measurement16 Apr 2026US 2026/0104303 A1TA Instruments-Waters LLC
- Precompression tensile kolsky bar system2 Apr 2026US 2026/0092844 A1The United States of America as represented by the Secretary of the Army
- Spring-actuated universal impact test device18 Dec 2025US 2025/0383276 A1Istanbul Teknik Universitesi
- Devices, Systems And Methods For Flooring Performance Testing27 Mar 2025US 2025/0102409 A1Columbia Insurance Company
Most cited
By later US patents
- Micro sled impact test device29US 5,929,348 AAutoliv ASP, Inc. · 1999
- Method and apparatus for non-destructive testing the quality of manufacturing wood panels26US 5,060,516 AForintek Canada Corp. · 1991
- Non-destructive evaluation of geological material structures24US 5,983,701 AThe Royal Institution for the Advancement of Learning · 1999
- Impact test instrument23US 4,682,490 A1987
- Portable test hammer apparatus21US 5,686,652 A1997