E04H 9/0215
Involving active or passive dynamic mass damping systems
Official title: {involving active or passive dynamic mass damping systems}
E04H9/0215 (Involving active or passive dynamic mass damping systems) appears on 255 US grants and 232 published applications in this corpus.
Search patents in E04H- Granted patents
- 255
- Published applications
- 232
- Assignees
- 184
- Inventors
- 578
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 4 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 5 |
| 2011 | 2 | 3 |
| 2012 | 2 | 5 |
| 2013 | 5 | 11 |
| 2014 | 10 | 17 |
| 2015 | 14 | 17 |
| 2016 | 15 | 20 |
| 2017 | 19 | 20 |
| 2018 | 18 | 20 |
| 2019 | 13 | 19 |
| 2020 | 12 | 16 |
| 2021 | 17 | 28 |
| 2022 | 17 | 13 |
| 2023 | 19 | 8 |
| 2024 | 15 | 11 |
| 2025 | 3 | 2 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seismic clip assembly for wall claddings18 Aug 2026US 12,709,911 B1Innovatech Systems, LLC
- Friction devices for energy dissipation28 Apr 2026US 12,612,797 B2The Regents of the University of California
- Beam-column joint of prefabricated self-centering RC frame based on SMA material7 Apr 2026US 12,595,673 B2Zhengzhou University
- Steel damper for seismic isolation and seismic isolation structure13 May 2025US 12,297,657 B2Jfe Civil Engineering & Construction Corporation
- Oscillation damping13 May 2025US 12,297,886 B2General Electric Renovables Espana, S.L.
- Mass damper assembly, in particular for tall, slim buildings, and method for installing a mass damper assembly30 Jul 2026US 2026/0218531 A1WöLfel Engineering GmbH + Co. KG
- Tower and related method for protecting a tower against wind-induced vibrations30 Jul 2026US 2026/0218532 A1Isaac S.R.L.
- Floating seismic isolation system18 Jun 2026US 2026/0168281 A1IHI Corporation
- Displacement amplification self-centering friction damper28 May 2026US 2026/0146445 A1Tongji University
- Rocking self-centering seismic and vibration prevention structure facilitating overall regulation16 Apr 2026US 2026/0103912 A1Hainan University
Most cited
By later US patents
- Movement-compensating plate anchor109US 8,317,444 B1Emseal Joint Systems Ltd. · 2012
- Movement-compensating plate anchor69US 8,870,506 B2Emseal Joint Systems Ltd. · 2014
- Stiff actuator active vibration isolation system66US 5,823,307 ATechnical Manufacturing Corporation · 1998
- Stiff actuator active vibration isolation system55US 5,660,255 AApplied Power Inc. · 1997
- Active vibration suppressor45US 4,635,892 AVibrastop, Inc. · 1987