B32B 25/00
Layered products comprising a layer of natural or synthetic rubber
Official title: Layered products comprising {a layer of} natural or synthetic rubber {(fibrous or filamentary layer made of a natural or synthetic rubber B32B5/02; particulate layer made of a natural or synthetic rubber B32B5/16; foamed layer made of a natural or synthetic rubber B32B5/18)}
B32B25/00 (Layered products comprising a layer of natural or synthetic rubber) appears on 3,818 US grants and 5,175 published applications in this corpus.
Search patents in B32B- Granted patents
- 3,818
- Published applications
- 5,175
- Assignees
- 2,077
- Inventors
- 10,279
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 21 | 0 |
| 1978 | 17 | 0 |
| 1979 | 14 | 0 |
| 1980 | 15 | 0 |
| 1981 | 21 | 0 |
| 1982 | 21 | 0 |
| 1983 | 12 | 0 |
| 1984 | 16 | 0 |
| 1985 | 25 | 0 |
| 1986 | 14 | 0 |
| 1987 | 13 | 0 |
| 1988 | 18 | 0 |
| 1989 | 39 | 0 |
| 1990 | 29 | 0 |
| 1991 | 33 | 0 |
| 1992 | 27 | 0 |
| 1993 | 20 | 0 |
| 1994 | 33 | 0 |
| 1995 | 37 | 0 |
| 1996 | 39 | 0 |
| 1997 | 43 | 0 |
| 1998 | 65 | 0 |
| 1999 | 44 | 0 |
| 2000 | 47 | 0 |
| 2001 | 39 | 17 |
| 2002 | 62 | 69 |
| 2003 | 55 | 93 |
| 2004 | 59 | 133 |
| 2005 | 54 | 122 |
| 2006 | 54 | 180 |
| 2007 | 42 | 165 |
| 2008 | 44 | 117 |
| 2009 | 56 | 156 |
| 2010 | 59 | 209 |
| 2011 | 86 | 183 |
| 2012 | 102 | 150 |
| 2013 | 96 | 142 |
| 2014 | 117 | 176 |
| 2015 | 110 | 174 |
| 2016 | 101 | 264 |
| 2017 | 134 | 297 |
| 2018 | 151 | 383 |
| 2019 | 241 | 394 |
| 2020 | 253 | 380 |
| 2021 | 241 | 362 |
| 2022 | 241 | 316 |
| 2023 | 219 | 229 |
| 2024 | 238 | 208 |
| 2025 | 193 | 157 |
| 2026 | 79 | 99 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B32B 25/04Comprising rubber as the main or only constituent of a layer, which2,542
- B32B 25/14Comprising synthetic rubber copolymers1,214
- B32B 25/10Next to a fibrous or filamentary layer1,155
- B32B 25/16Comprising polydienes homopolymers or poly-halodienes homopolymers652
- B32B 25/20Comprising silicone rubber614
- B32B 25/12Comprising natural rubber399
- B32B 25/02Layered products comprising a layer of natural or synthetic rubber: with fibres304
- B32B 25/18Comprising butyl or halobutyl rubber304
Recent patents
- RV and trailer composite panel manufacturing process with interlocking connections assembly system6 Oct 2026US 12,752,501 B2Carbon Lite Trailers, Inc.
- Programmable adhesion using nonlinear kirigami structures6 Oct 2026US 12,752,510 B2Iowa State University Research Foundation, Inc.
- Flexible cover6 Oct 2026US 12,752,525 B2
- Vibration attenuation via tailored metastructures6 Oct 2026US 12,753,821 B2Purdue Research Foundation
- Simulated body tissue model6 Oct 2026US 12,755,650 B2SurgiReal Products, Inc.
- Elastic laminates and methods for assembling elastic laminates for absorbent articles8 Oct 2026US 2026/0306306 A1The Procter & Gamble Company
- Toothed belt having fabric layer with reduced porosity8 Oct 2026US 2026/0309207 A1The Gates Corporation
- Enhanced bioprocessing film for single use biocontainers24 Sep 2026US 2026/0285016 A1Repligen Corporation
- Braided hose24 Sep 2026US 2026/0287094 A1Danfoss A/S
- Sound-insulating sheet member and sound-insulating structure provided with same24 Sep 2026US 2026/0290299 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Flexible membranes356US 6,082,025 ANIKE, Inc. · 2000
- Elastic laminated sheet of an incrementally stretched nonwoven fibrous web and elastomeric film and method342US 5,422,172 AClopay Plastic Products Company, Inc. · 1995
- Wide chord fan blade334US 5,141,400 AGeneral Electric Company · 1992
- Flexible membranes333US 6,127,026 ANIKE, Inc. · 2000
- Elastic composites192US 4,525,407 AChicopee · 1985