B29B 15/02
Pretreatment of the material to be shaped, not covered by groups b29b7/00
Official title: of crude rubber, gutta-percha, or similar substances (tapping latex A01G; chemical aspects C08C)
B29B15/02 (Pretreatment of the material to be shaped, not covered by groups b29b7/00) appears on 63 US grants and 37 published applications in this corpus.
Search patents in B29B- Granted patents
- 63
- Published applications
- 37
- Assignees
- 34
- Inventors
- 113
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 1 | 4 |
| 2004 | 2 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 4 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 3 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 3 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 4 |
| 2023 | 0 | 0 |
| 2024 | 3 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for recycling nitrile rubber8 Jul 2025US 12,351,716 B2Zeon Corporation
- Rubber balers27 May 2025US RE50,443 E1Karltex Machine, Inc.
- Friable bales24 Sep 2024US 12,098,267 B2Dow Global Technologies LLC
- Dosage control in the manufacture of tires20 Feb 2024US 11,904,503 B2Compagnie Generale Des Etablissements Michelin
- Systems and methods for the management of waste associated with processing guayule shrubs to extract rubber2 Jan 2024US 11,858,003 B2Bridgestone Corporation
- Method and system for manufacture of particulate polymers27 Mar 2025US 2025/0100187 A1Sabic Global Technologies B.V.
- Acrylic rubber bale excellent in storage stability and processability25 Aug 2022US 2022/0267491 A1Zeon Corporation
- Systems And Methods For The Management Of Waste Associated With Processing Guayule Shrubs To Extract Rubber16 Jun 2022US 2022/0184663 A1Bridgestone Corporation
- Bale rubber cutting device7 Apr 2022US 2022/0105660 A1Toyo Tire Corporation
- Method for recycling nitrile rubber7 Apr 2022US 2022/0106464 A1Zeon Corporation
Most cited
By later US patents
- Elastomer composites method and apparatus63US 6,048,923 ACabot Corporation · 2000
- Elastomer composite blends and methods - II55US 6,075,084 ACabot Corporation · 2000
- Methods for producing elastomeric compositions35US 6,040,364 ACabot Corporation · 2000
- Pelletization of pyrolyzed rubber products34US 8,323,793 B2Tellus Technology, Inc. · 2012
- Two-step method for dehydrating plastic dispersions33US 6,287,470 B1Roehm GmbH · 2001