E04F 15/225
Shock absorber members therefor
Official title: {Shock absorber members therefor}
E04F15/225 (Shock absorber members therefor) appears on 173 US grants and 187 published applications in this corpus.
Search patents in E04F- Granted patents
- 173
- Published applications
- 187
- Assignees
- 89
- Inventors
- 220
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 9 |
| 2003 | 5 | 6 |
| 2004 | 5 | 6 |
| 2005 | 4 | 3 |
| 2006 | 3 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 5 |
| 2010 | 5 | 4 |
| 2011 | 0 | 6 |
| 2012 | 2 | 3 |
| 2013 | 9 | 6 |
| 2014 | 8 | 8 |
| 2015 | 12 | 14 |
| 2016 | 10 | 14 |
| 2017 | 13 | 13 |
| 2018 | 8 | 19 |
| 2019 | 13 | 11 |
| 2020 | 11 | 10 |
| 2021 | 9 | 9 |
| 2022 | 5 | 11 |
| 2023 | 8 | 5 |
| 2024 | 3 | 8 |
| 2025 | 4 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Acoustic isolators16 Jun 2026US 12,655,642 B2United States Gypsum Company
- Element of damping layer for flooring and related damping layer10 Feb 2026US 12,546,123 B2Polygreen Ltd
- Dual-purpose progressive stage load-distributing and absorbing system4 Nov 2025US 12,460,427 B2Viconic Sporting LLC
- Rigid panel for making a floor covering7 Oct 2025US 12,435,525 B2Gerflor
- Impact absorbing flooring22 Jul 2025US 12,366,075 B2Magic Shields Inc.
- Air shock absorber for modular floor, and modular floor1 Oct 2026US 2026/0297960 A1
- System for artificial turf manufacturing2 Jul 2026US 2026/0184861 A1Melos GmbH
- Wood-plastic Composite Floor for Sports14 May 2026US 2026/0132639 A1Vmkon (Guangdong) Industrial Development Co., Ltd.
- Multi-stage shock absorber flooring system12 Feb 2026US 2026/0043253 A1
- Rigid panel for making a floor covering8 Jan 2026US 2026/0009240 A1Gerflor
Most cited
By later US patents
- Aerobic exercise floor system363US 4,819,932 A1989
- Laminated flooring, for example for sports facilities, a support formation and anchoring systems therefor260US 5,899,038 AMondo S.p.A. · 1999
- System for forming floor underlayment98US 10,094,126 B2MP Global Products, L.L.C. · 2018
- Resilient leveler and shock absorber for sport floor73US 4,879,857 ASport Floor Design, Inc. · 1989
- Cushioning structure for floor and ground surfaces65US 6,777,062 B2Skydex Technologies, Inc. · 2004