B29B 7/84
Venting or degassing
Official title: Venting or degassing {; Removing liquids, e.g. by evaporating components}
B29B7/84 (Venting or degassing) appears on 520 US grants and 532 published applications in this corpus.
Search patents in B29B- Granted patents
- 520
- Published applications
- 532
- Assignees
- 345
- Inventors
- 1,369
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 13 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 12 | 0 |
| 2001 | 9 | 2 |
| 2002 | 15 | 20 |
| 2003 | 7 | 9 |
| 2004 | 12 | 11 |
| 2005 | 7 | 9 |
| 2006 | 12 | 14 |
| 2007 | 1 | 7 |
| 2008 | 5 | 14 |
| 2009 | 5 | 12 |
| 2010 | 5 | 16 |
| 2011 | 5 | 22 |
| 2012 | 9 | 25 |
| 2013 | 16 | 15 |
| 2014 | 14 | 28 |
| 2015 | 26 | 22 |
| 2016 | 21 | 29 |
| 2017 | 20 | 31 |
| 2018 | 16 | 32 |
| 2019 | 16 | 19 |
| 2020 | 20 | 37 |
| 2021 | 23 | 29 |
| 2022 | 26 | 34 |
| 2023 | 17 | 21 |
| 2024 | 17 | 40 |
| 2025 | 26 | 21 |
| 2026 | 15 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for degassing of a two-component multiphase polymer-monomer material and use thereof in a degassing extruder11 Aug 2026US 12,703,123 B2Rohm Co., Ltd.
- System and method for continuously manufacturing cured membranes21 Jul 2026US 12,686,157 B2Amrize Technology Switzerland LLC
- Composite product formed of coffee grounds14 Jul 2026US 12,679,002 B2
- Method for regenerating used resin16 Jun 2026US 12,654,360 B2Toyoda Gosei Co., Ltd.
- Process for deodorization of recycled polyolefin pellets16 Jun 2026US 12,654,361 B2Alpla Werke Alwin Lehner GmbH & Co. KG
- Method and apparatus of manufacturing resin composite material23 Jul 2026US 2026/0208424 A1The Japan Steel Works, Ltd.
- Extruder16 Jul 2026US 2026/0200159 A1The Japan Steel Works, Ltd.
- Thermally conductive material and method for producing same2 Jul 2026US 2026/0184897 A1Denso Corporation
- Procedure for the purification of biodegradable thermoplastic polymeric particles for medical and/or pharmaceutical use25 Jun 2026US 2026/0176427 A1Laboratorios Farmaceuticos Rovi, S.A.
- Apparatus for degassing molten plastic material21 May 2026US 2026/0138321 A1Gamma Meccanica S.P.A.
Most cited
By later US patents
- Biodegradable polymeric compositions based on starch and thermoplastic polymers138US 5,412,005 ANovamont S. p. A. · 1995
- Thermoplastic closed loop recycling process99US 5,424,013 A1995
- Process for reclaiming thermally strained polyester scrap material95US 5,225,130 AHoechst Aktiengesellschaft · 1993
- Process for the processing of a thermoplastic polycondensation polymer77US 5,102,594 AStamicarbon B. V. · 1992
- Polyester process using a pipe reactor76US 6,861,494 B2Eastman Chemical Company · 2005