E05Y 2201/252
Type of friction
E05Y2201/252 (Type of friction) appears on 753 US grants and 724 published applications in this corpus.
Search patents in E05Y- Granted patents
- 753
- Published applications
- 724
- Assignees
- 384
- Inventors
- 1,284
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 13 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 16 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 4 |
| 2002 | 17 | 18 |
| 2003 | 24 | 25 |
| 2004 | 15 | 27 |
| 2005 | 17 | 30 |
| 2006 | 20 | 41 |
| 2007 | 16 | 31 |
| 2008 | 24 | 48 |
| 2009 | 18 | 41 |
| 2010 | 32 | 40 |
| 2011 | 22 | 43 |
| 2012 | 27 | 18 |
| 2013 | 31 | 18 |
| 2014 | 31 | 19 |
| 2015 | 19 | 11 |
| 2016 | 10 | 13 |
| 2017 | 16 | 17 |
| 2018 | 14 | 34 |
| 2019 | 21 | 27 |
| 2020 | 23 | 38 |
| 2021 | 20 | 27 |
| 2022 | 24 | 33 |
| 2023 | 21 | 38 |
| 2024 | 30 | 36 |
| 2025 | 53 | 32 |
| 2026 | 24 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for controlling the speed of movement of a sliding door and associated aircraft1 Sep 2026US 12,723,457 B2Safran Electronics & Defense
- Modular rotating shear thickening fluid based object control mechanism18 Aug 2026US 12,710,086 B2Moshun, LLC
- Adjustable retraction mechanism4 Aug 2026US 12,698,665 B2Elvo Ltd
- System for the controlled rotary movement of a door, a leaf or the like21 Jul 2026US 12,687,060 B2
- Hinge mechanism and electronic device14 Jul 2026US 12,680,571 B2Huawei Technologies Co., Ltd.
- Hinge13 Aug 2026US 2026/0234976 A1Southco, Inc.
- Door closer13 Aug 2026US 2026/0234977 A1Dormakaba Deutschland GmbH
- Friction hinge module having a torque element and method for retaining the torque element30 Jul 2026US 2026/0218552 A1Southco, Inc.
- Spindle arrangement for a closure element, in particular a tailgate, of a motor vehicle30 Jul 2026US 2026/0218560 A1Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Bamberg
- Closure system2 Jul 2026US 2026/0185403 A1Locinox
Most cited
By later US patents
- Fail-safe fire door release mechanism having automatic reset128US 5,245,879 AMcKeon Rolling Steel Door Co., Inc. · 1993
- Apparatus and method for operating a door94US 6,155,324 AThe Cookson Company · 2000
- Door opening device for food storage apparatus such as refrigerator92US 6,338,536 B12002
- Automatic door operator for swing doors81US 4,501,090 AChikura Kogyo Kabushiki Kaisha · 1985
- Door hinge with movable and fixed cams81US 5,109,571 ASugatsune Industrial Co., Ltd. · 1992