B29C 70/44
Using isostatic pressure
Official title: using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
B29C70/44 (Using isostatic pressure) appears on 2,311 US grants and 2,586 published applications in this corpus.
Search patents in B29C- Granted patents
- 2,311
- Published applications
- 2,586
- Assignees
- 885
- Inventors
- 4,555
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 12 | 0 |
| 1982 | 11 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 13 | 0 |
| 1987 | 17 | 0 |
| 1988 | 16 | 0 |
| 1989 | 20 | 0 |
| 1990 | 12 | 0 |
| 1991 | 22 | 0 |
| 1992 | 29 | 0 |
| 1993 | 29 | 0 |
| 1994 | 23 | 0 |
| 1995 | 27 | 0 |
| 1996 | 24 | 0 |
| 1997 | 31 | 0 |
| 1998 | 28 | 0 |
| 1999 | 20 | 0 |
| 2000 | 23 | 0 |
| 2001 | 24 | 8 |
| 2002 | 30 | 48 |
| 2003 | 39 | 41 |
| 2004 | 35 | 64 |
| 2005 | 18 | 55 |
| 2006 | 30 | 47 |
| 2007 | 22 | 54 |
| 2008 | 22 | 88 |
| 2009 | 27 | 76 |
| 2010 | 37 | 120 |
| 2011 | 66 | 113 |
| 2012 | 71 | 104 |
| 2013 | 75 | 109 |
| 2014 | 95 | 115 |
| 2015 | 89 | 130 |
| 2016 | 96 | 131 |
| 2017 | 83 | 117 |
| 2018 | 105 | 102 |
| 2019 | 110 | 145 |
| 2020 | 132 | 150 |
| 2021 | 112 | 148 |
| 2022 | 124 | 175 |
| 2023 | 145 | 128 |
| 2024 | 139 | 154 |
| 2025 | 121 | 105 |
| 2026 | 66 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- RV and trailer composite panel manufacturing process with interlocking connections assembly system6 Oct 2026US 12,752,501 B2Carbon Lite Trailers, Inc.
- Corrosion resistant steel (CRES) bladder29 Sep 2026US 12,746,730 B2GKN Fokker Aerospace B.V.
- Composite forming29 Sep 2026US 12,746,731 B2The Boeing Company
- Composite material29 Sep 2026US 12,747,325 B2Polyflow LLC
- Autoclave curing jig22 Sep 2026US 12,741,432 B1Amazon Technologies, Inc.
- Tooling and method for shaping a blade made of composite material8 Oct 2026US 2026/0307341 A1Safran Aerospace Composites
- Method for manufacturing a vane made from composite material comprising a serration element and an anti-erosion coating1 Oct 2026US 2026/0295949 A1Safran Aerospace Composites
- Method of making hollow component of composite material using collapsable and reusable mandrel1 Oct 2026US 2026/0295950 A1Universita' Degli Studi Di Catania
- A Basalt-Based Profile with Polyurethane Coating24 Sep 2026US 2026/0284982 A1Unknown Nordic Aps
- Moulding apparatus24 Sep 2026US 2026/0284986 A1
Most cited
By later US patents
- Method of making same256US 4,187,271 AOwens-Corning Fiberglas Corporation · 1980
- Vacuum resin impregnation process229US 4,942,013 AMcDonnell Douglas Corporation · 1990
- Plastic transfer molding techniques for the production of fiber reinforced plastic structures209US 4,902,215 A1990
- Caul and method for bonding and curing intricate composite structures196US 5,242,523 AThe Boeing Company · 1993
- Resin film infusion process and apparatus194US 4,622,091 AThe Boeing Company · 1986