B29C 44/28
Expanding the moulding material on continuous moving surfaces without restricting the upwards
Official title: Expanding the moulding material on continuous moving surfaces {without restricting the upwards growth of the foam}
B29C44/28 (Expanding the moulding material on continuous moving surfaces without restricting the upwards) appears on 45 US grants and 43 published applications in this corpus.
Search patents in B29C- Granted patents
- 45
- Published applications
- 43
- Assignees
- 38
- Inventors
- 144
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 7 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 3 |
| 2023 | 1 | 5 |
| 2024 | 2 | 2 |
| 2025 | 3 | 6 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biodegradable polyurethane foam slabstock and method of production28 Jul 2026US 12,692,389 B1
- Method and apparatus for producing solid foam, product and use20 Jan 2026US 12,528,231 B2Woamy Oy
- System and method for determining parameters for foam production27 May 2025US 12,311,331 B2Evonik Operations GmbH
- System and method for automatically setting parameters for foam production22 Apr 2025US 12,280,526 B1Evonik Operations GmbH
- Phenolic resin foam laminate board and composite board8 Apr 2025US 12,269,249 B2Asahi Kasei Construction Materials Corporation
- Method for producing corrugated laminated panels24 Sep 2026US 2026/0284941 A1Dow Global Technologies LLC
- Continuous process for making flexible, porous, dissolvable solid sheet articles10 Jul 2025US 2025/0222631 A1The Procter & Gamble Company
- Seat pad3 Jul 2025US 2025/0214494 A1Inoac Corporation
- Methods for foam-forming a multi-layer absorbent substrate and such absorbent substrates19 Jun 2025US 2025/0196409 A1Kimberly-Clark Worldwide, Inc.
- System and method for determining parameters for foam production3 Apr 2025US 2025/0108353 A1Evonik Operations GmbH
Most cited
By later US patents
- Carbon black-filled foam92US 4,795,763 AThe Celotex Corporation · 1989
- Device for the continuous manufacture of slabstock polyurethane foam36US 5,582,840 APrefoam AG · 1996
- Apparatus for forming a foam product32US 5,527,172 ACarpenter Co. · 1996
- Apparatus for continuous production of a slab of polyurethane foam31US 4,348,164 AToyo Rubber Chemical Industrial Corporation · 1982
- Process and plant for manufacture of latex foam products31US 6,086,802 ASapsa Bedding Srl · 2000