B29C 44/34
Auxiliary operations
B29C44/34 (Auxiliary operations) appears on 4,218 US grants and 3,813 published applications in this corpus.
Search patents in B29C- Granted patents
- 4,218
- Published applications
- 3,813
- Assignees
- 1,965
- Inventors
- 8,303
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 75 | 0 |
| 1977 | 63 | 0 |
| 1978 | 76 | 0 |
| 1979 | 40 | 0 |
| 1980 | 54 | 0 |
| 1981 | 81 | 0 |
| 1982 | 54 | 0 |
| 1983 | 58 | 0 |
| 1984 | 67 | 0 |
| 1985 | 74 | 0 |
| 1986 | 53 | 0 |
| 1987 | 45 | 0 |
| 1988 | 64 | 0 |
| 1989 | 76 | 0 |
| 1990 | 54 | 0 |
| 1991 | 53 | 0 |
| 1992 | 74 | 0 |
| 1993 | 72 | 0 |
| 1994 | 67 | 0 |
| 1995 | 58 | 0 |
| 1996 | 69 | 0 |
| 1997 | 102 | 0 |
| 1998 | 107 | 0 |
| 1999 | 85 | 0 |
| 2000 | 91 | 0 |
| 2001 | 88 | 29 |
| 2002 | 78 | 107 |
| 2003 | 101 | 103 |
| 2004 | 73 | 144 |
| 2005 | 53 | 136 |
| 2006 | 63 | 99 |
| 2007 | 56 | 107 |
| 2008 | 38 | 107 |
| 2009 | 35 | 133 |
| 2010 | 54 | 112 |
| 2011 | 71 | 146 |
| 2012 | 83 | 143 |
| 2013 | 88 | 128 |
| 2014 | 88 | 143 |
| 2015 | 91 | 148 |
| 2016 | 104 | 191 |
| 2017 | 101 | 193 |
| 2018 | 113 | 202 |
| 2019 | 170 | 207 |
| 2020 | 141 | 220 |
| 2021 | 135 | 198 |
| 2022 | 135 | 204 |
| 2023 | 154 | 187 |
| 2024 | 148 | 191 |
| 2025 | 149 | 140 |
| 2026 | 96 | 95 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 44/36Feeding the material to be shaped1,595
- B29C 44/56After-treatment of articles946
- B29C 44/58Moulds641
- B29C 44/3442Mixing, kneading or conveying the foamable material602
- B29C 44/3415Heating or cooling568
- B29C 44/60Measuring, controlling or regulating303
- B29C 44/3461Making or treating expandable particles300
- B29C 44/35Component parts289
All 16 subgroupsShow fewer
- B29C 44/3469Cell or pore nucleation216
- B29C 44/3403Foaming under special conditions136
- B29C 44/3402Details of processes or apparatus for reducing environmental damage or for working-up111
- B29C 44/3484Stopping the foaming reaction until the material is heated or re-heated66
- B29C 44/3492Expanding without a foaming agent40
- B29C 44/3411Relieving stresses14
- B29C 44/3488Vulcanizing the material before foaming12
- B29C 44/3438Bursting the cell walls by a sudden pressure release8
Recent patents
- System and method for forming a ceramic sandwich-structured composite component22 Sep 2026US 12,741,914 B2General Electric Company
- Polyethylene resin foamed particle, and method for producing same15 Sep 2026US 12,735,545 B2Jsp Corporation
- Mold for golf balls8 Sep 2026US 12,728,566 B2Sumitomo Rubber Industries, Ltd.
- Preparation of foamed silicone elastomers8 Sep 2026US 12,729,279 B2Dow Global Technologies LLC
- Tool, tool system and method for the production of particle foam parts1 Sep 2026US 12,722,329 B2Kurtz GmbH
- Systems and methods for manufacturing a foam component8 Oct 2026US 2026/0307301 A1Puma SE
- Support element for the human body comprising a recycled material and method for its production8 Oct 2026US 2026/0307752 A1Selle Royal Group S.P.A.
- Chemical foaming of interior components8 Oct 2026US 2026/0308345 A1GM Global Technology Operations LLC
- Material systems and methods of manufacture for auxetic foams1 Oct 2026US 2026/0295909 A1The Florida State University Research Foundation, Inc.
- Molded body, automotive component, and method for producing molded body24 Sep 2026US 2026/0285407 A1Resonac Corporation
Most cited
By later US patents
- Method for the production of molded bodies from polymer foam particles985US 6,358,459 B1Fraunhofer-Gesellschaft zur Forderung der Angewandten ForschungE.V. · 2002
- Woven constructs with interlocked standing fibers858US 10,271,849 B2Ethicon, Inc. · 2019
- Compressible adjuncts with bonding nodes852US 10,172,620 B2Ethicon, Inc. · 2019
- Compressible adjunct assemblies with attachment layers823US 10,307,160 B2Ethicon, Inc. · 2019
- Compressible adjunct808US 10,285,699 B2Ethicon, Inc. · 2019