G01N 33/445
Rubber
Official title: {Rubber}
G01N33/445 (Rubber) appears on 119 US grants and 101 published applications in this corpus.
Search patents in G01N- Granted patents
- 119
- Published applications
- 101
- Assignees
- 85
- Inventors
- 287
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 5 | 1 |
| 2003 | 5 | 6 |
| 2004 | 2 | 4 |
| 2005 | 3 | 3 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 4 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 8 |
| 2014 | 2 | 5 |
| 2015 | 4 | 2 |
| 2016 | 2 | 2 |
| 2017 | 3 | 10 |
| 2018 | 4 | 1 |
| 2019 | 7 | 7 |
| 2020 | 4 | 6 |
| 2021 | 2 | 6 |
| 2022 | 6 | 9 |
| 2023 | 4 | 8 |
| 2024 | 7 | 7 |
| 2025 | 5 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Analysis method25 Aug 2026US 12,716,826 B2Sumitomo Rubber Industries, Ltd.
- Method for estimating abrasion resistance10 Feb 2026US 12,546,730 B2Sumitomo Rubber Industries, Ltd.
- Performance evaluation method for elastic material6 Jan 2026US 12,517,021 B2Sumitomo Rubber Industries, Ltd.
- Method for evaluating reinforcement effect and efficiency of filler on natural rubber based on particle size of bound rubber particle formed by the filler and natural rubber latex7 Oct 2025US 12,436,144 B2North University of China
- Evaluating performance method and system for elastic material19 Aug 2025US 12,392,697 B2Sumitomo Rubber Industries, Ltd.
- Method for estimating abrasion resistance4 Jun 2026US 2026/0153456 A1Sumitomo Rubber Industries, Ltd.
- Temperature history estimation device, temperature history estimation method, and temperature history estimation program12 Mar 2026US 2026/0071919 A1Nok Corporation
- Repair patch, pre-cured tread, and tire12 Jun 2025US 2025/0187380 A1Bridgestone Corporation
- Method for evaluating reinforcement effect and efficiency of filler on natural rubber based on particle size of bound rubber particle formed by the filler and natural rubber latex29 May 2025US 2025/0172537 A1North University of China
- Method for evaluating abrasion resistance of rubber composition and rubber composition6 Feb 2025US 2025/0043117 A1Sumitomo Rubber Industries, Ltd.
Most cited
By later US patents
- Universal material test system and method39US 5,438,863 AThe B. F. Goodrich Company · 1995
- Thermal desorption method for separating volatile additives from vulcanizable rubber31US 5,191,211 ABridgestone/Firestone, Inc. · 1993
- Device and method for measuring adhesive strength26US 6,584,858 B1Bridgestone Corporation · 2003
- Method of measuring temperature within cured article and method of controlling tire vulcanization25US 5,055,245 ABridgestone Corporation · 1991
- Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds24US 6,855,791 B2Signature Control Systems, Inc. · 2005