H01B 3/28
Natural or synthetic rubbers
Official title: natural or synthetic rubbers
H01B3/28 (Natural or synthetic rubbers) appears on 181 US grants and 269 published applications in this corpus.
Search patents in H01B- Granted patents
- 181
- Published applications
- 269
- Assignees
- 151
- Inventors
- 642
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 5 |
| 2004 | 1 | 1 |
| 2005 | 2 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 9 |
| 2010 | 2 | 11 |
| 2011 | 4 | 10 |
| 2012 | 4 | 6 |
| 2013 | 5 | 7 |
| 2014 | 6 | 15 |
| 2015 | 6 | 26 |
| 2016 | 15 | 37 |
| 2017 | 18 | 25 |
| 2018 | 16 | 28 |
| 2019 | 22 | 13 |
| 2020 | 14 | 16 |
| 2021 | 11 | 13 |
| 2022 | 10 | 6 |
| 2023 | 9 | 8 |
| 2024 | 7 | 8 |
| 2025 | 1 | 8 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Curable elastomer composition, cured product of same, film provided with cured product, multilayer body provided with film, method for producing said multilayer body, electronic component and display device each comprising cured product, method for designing curable elastomer composition and method for designing transducer device24 Mar 2026US 12,584,016 B2Dow Toray Co., Ltd.
- Oil-extended EPDM in moisture cure blend6 Jan 2026US 12,516,186 B2Dow Global Technologies LLC
- Elastomeric material27 May 2025US 12,312,454 B2Tyco Electronics Raychem GmbH
- Fluoropolymer insulated communications cable19 Nov 2024US 12,148,549 B2Daikin America, Inc.
- Electronic textiles and methods for fabrication thereof27 Aug 2024US 12,075,564 B2Purdue Research Foundation
- Wire harness8 Oct 2026US 2026/0307602 A1Sumitomo Wiring Systems, Ltd.
- Resin composition and power cable30 Jul 2026US 2026/0221310 A1Sumitomo Electric Industries, Ltd.
- Liquid silicone rubber composition23 Apr 2026US 2026/0109818 A1Dow Silicones Corporation
- Semiconductive composition and power cable12 Mar 2026US 2026/0071080 A1Sumitomo Electric Industries, Ltd.
- Resin composition and power cable5 Mar 2026US 2026/0062545 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Water tree resistant, moisture curable insulation composition for power cables70US 5,492,760 AAT Plastics Inc. · 1996
- Method for extending the functional life of polymers used in xerographic devices20US 4,062,812 AXerox Corporation · 1977
- Epoxy resin compositions for encapsulating signal transmission devices20US 5,698,631 AUniroyal Chemical Company, Inc. · 1997
- Low temperature curing of elastomer16US 4,764,549 AVulkor, Incorporated · 1988
- Electroinsulating material12US 4,212,914 A1980