B29C 44/467
Foam spreading or levelling devices
Official title: {Foam spreading or levelling devices}
B29C44/467 (Foam spreading or levelling devices) appears on 52 US grants and 14 published applications in this corpus.
Search patents in B29C- Granted patents
- 52
- Published applications
- 14
- Assignees
- 34
- Inventors
- 83
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- System for controlling the sizing of a rising foam emulsion web travelling on a conveyor30 Apr 2024US 11,969,921 B2Mölnlycke Health Care AB
- Method of manufacturing multi-hardness and multi-elasticity foam mattress by use of continuous foaming process and foam mattress manufactured thereby28 Nov 2023US 11,826,931 B2Dut Korea Co., Ltd
- Method for manufacturing a component for a wind turbine5 Jan 2021US 10,882,226 B2Siemens Gamesa Renewable Energy A/S
- System and method for determining parameters for foam production3 Apr 2025US 2025/0108353 A1Evonik Operations GmbH
- System and method for automatically setting parameters for foam production3 Apr 2025US 2025/0108542 A1Evonik Operations GmbH
- A System for Controlling the Sizing of a Rising Foam Emulsion Web Travelling on a Conveyor25 May 2023US 2023/0158721 A1Mölnlycke Health Care AB
- Method of manufacturing multi-hardness and multi-elasticity foam mattress by use of continuous foaming process and foam mattress manufactured thereby8 Jul 2021US 2021/0206035 A1Dut Korea Co., Ltd
- Method for manufacturing a component for a wind turbine10 Sep 2015US 2015/0251342 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Method and apparatus for making foam-in-place cushions with selective distribution of foam54US 7,607,911 B2Sealed Air Corporation (US) · 2009
- Method for applying polyurethane backing47US 4,515,646 A1985
- Device for the continuous production of foam blocks of rectangular cross-section38US 4,120,626 AMaschinenfabrik Hennecke GmbH · 1978
- Apparatus for continuous production of polyurethane block foam38US 5,375,988 AMaschinenfabrik Hennecke GmbH · 1994
- Process and device for continuous production of polyurethane block foam36US 5,844,015 AMaschinenfabrik Hennecke GmbH · 1998