F15B 2215/305
Characterised by the use of special materials
Official title: characterised by the use of special materials
F15B2215/305 (Characterised by the use of special materials) appears on 67 US grants and 77 published applications in this corpus.
Search patents in F15B- Granted patents
- 67
- Published applications
- 77
- Assignees
- 74
- Inventors
- 206
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 4 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 3 |
| 2011 | 2 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 7 |
| 2016 | 0 | 5 |
| 2017 | 5 | 4 |
| 2018 | 0 | 1 |
| 2019 | 6 | 7 |
| 2020 | 7 | 7 |
| 2021 | 6 | 6 |
| 2022 | 4 | 2 |
| 2023 | 2 | 6 |
| 2024 | 5 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Force overshoot and other pressure disturbance mitigation in pneumatic force control devices21 Apr 2026US 12,605,849 B2ATI Industrial Automation, Inc.
- Artificial muscles comprising a partially insulated electrode pair and methods for optimizing voltage polarity conditions in the artificial muscles2 Sep 2025US 12,403,588 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Composite cylinder13 May 2025US 12,298,156 B2Crompton Technology Group Limited
- Composite actuator systems and methods of making the same31 Dec 2024US 12,180,837 B1Goodrich Corporation
- Bistable elastomeric actuator29 Oct 2024US 12,129,876 B2Arizona Board of Regents on behalf of Arizona State University
- Hydraulic cylinder with carbon fiber10 Sep 2026US 2026/0266316 A1Milwaukee Electric Tool Corporation
- Self-anchoring burrowing everting robot20 Aug 2026US 2026/0243278 A1The Regents of the University of California
- Dual-wall cylinder for fluid control device actuator13 Aug 2026US 2026/0235144 A1
- Actuators with sealed pistons18 Jun 2026US 2026/0168521 A1Roller Bearing Company of America, Inc.
- Mechanisms for damage detection and autonomous repair of puncture damage for self-healing artificial muscles11 Jun 2026US 2026/0160281 A1NUtech Ventures
Most cited
By later US patents
- Thermoplastic cylinder and process for manufacturing same26US 4,971,846 ATRE Corporation · 1990
- Fabric-lined epoxy resin cylinder with lubricant retaining grooves20US 4,189,985 ARexnord Inc. · 1980
- Fluid actuator including composite cylinder assembly16US 4,685,384 APneumo Corporation · 1987
- Temperature compensated magnetostrictive piston position detector16US 5,198,761 AHitachi Construction Machinery Co., Ltd. · 1993
- Composite cylinder for use in aircraft hydraulic actuator16US 5,415,079 AHR Textron, Inc. · 1995