G01V 1/147
Using impact of dropping masses
Official title: using impact of dropping masses
G01V1/147 (Using impact of dropping masses) appears on 102 US grants and 41 published applications in this corpus.
Search patents in G01V- Granted patents
- 102
- Published applications
- 41
- Assignees
- 59
- Inventors
- 170
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 1 | 4 |
| 2012 | 2 | 4 |
| 2013 | 1 | 7 |
| 2014 | 4 | 2 |
| 2015 | 6 | 4 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for detecting structural abnormal area of coal and rock mass8 Oct 2024US 12,111,437 B1Ccteg Chinese Institute of Coal Science
- Seismic source for on the move seismic surveying14 May 2024US 11,982,781 B2Elbit Systems Cai and Cyber Ltd
- Seismic weight dropper arrangement for a drone12 Dec 2023US 11,841,473 B1
- Modified baseplate for sandy soil12 Apr 2022US 11,300,697 B2Inova Ltd.
- Rock physics based method of integrated subsurface reservoir characterization for use in optimized stimulation design of horizontal wells9 Mar 2021US 10,942,293 B2Halliburton Energy Services.Inc.
- High-frequency, powerful, repeatable impact seismic source system and impact method16 Jul 2026US 2026/0202563 A1Ccteg Coal Mining Research Institute
- Artificial vibration generation apparatus for seismic exploration11 Jun 2026US 2026/0160907 A1Korea Institute of Civil Engineering and Building Technology
- Systems and methods for remote autonomous seismic sources5 Mar 2026US 2026/0063815 A1Battelle Memorial Institute
- vibration hammer and seismic-wave-excitation device5 Feb 2026US 2026/0036707 A1Shanghai Investigation, Design & Research Institute Co., Ltd.
- Geophone fault detection18 Sep 2025US 2025/0291087 A1Dynatest A/S
Most cited
By later US patents
- Methods and apparatus for the generation and transmission of seismic signals48US 4,147,228 AHydroacoustics Inc. · 1979
- Method and apparatus for acoustic energy identification of objects buried in soil42US 5,357,063 ABattelle Memorial Institute · 1994
- Method and system for depth sounding29US 4,775,028 ACanadian Astronautics Limited · 1988
- Downhole seismic source27US 4,991,685 AAtlantic Richfield Company · 1991
- Acoustic pulse generator23US 4,284,164 AAtlantic Richfield Company · 1981