B29C 31/08
Of preforms to be moulded
Official title: of preforms {to be moulded, e.g. tablets, fibre reinforced preforms, extruded ribbons, tubes or profiles; Manipulating means specially adapted for feeding preforms, e.g. supports conveyors (B29C31/066, B29C37/001, B29C43/085 take precedence)}
B29C31/08 (Of preforms to be moulded) appears on 293 US grants and 273 published applications in this corpus.
Search patents in B29C- Granted patents
- 293
- Published applications
- 273
- Assignees
- 200
- Inventors
- 641
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 6 |
| 2003 | 2 | 2 |
| 2004 | 3 | 5 |
| 2005 | 1 | 4 |
| 2006 | 4 | 7 |
| 2007 | 3 | 9 |
| 2008 | 3 | 3 |
| 2009 | 1 | 4 |
| 2010 | 1 | 3 |
| 2011 | 4 | 4 |
| 2012 | 4 | 8 |
| 2013 | 2 | 8 |
| 2014 | 5 | 5 |
| 2015 | 6 | 16 |
| 2016 | 6 | 17 |
| 2017 | 11 | 16 |
| 2018 | 13 | 26 |
| 2019 | 16 | 11 |
| 2020 | 17 | 24 |
| 2021 | 19 | 25 |
| 2022 | 21 | 24 |
| 2023 | 22 | 15 |
| 2024 | 20 | 11 |
| 2025 | 13 | 14 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pick and place end effector configured to form a kink9 Jun 2026US 12,649,274 B2The Boeing Company
- Manufacturing system26 May 2026US 12,636,698 B2Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- Material layup apparatus and method for producing wind turbine blades using fiber plies31 Mar 2026US 12,589,558 B2Siemens Gamesa Renewable Energy A/S
- Gripping apparatus and associated systems and methods for gripping flexible materials24 Feb 2026US 12,558,799 B2The Boeing Company
- Composite part production system30 Dec 2025US 12,508,785 B2Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
- Method and apparatus for forming an object with a natural fibre-based substance23 Jul 2026US 2026/0208390 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Rack for preform and/or precast element manufacturing, manufacturing system and winch assistance device23 Jul 2026US 2026/0210334 A1
- Pick and Place End Effector Configured to Form a Kink16 Jul 2026US 2026/0200167 A1The Boeing Company
- Mold assembly for a vacuum forming process and a method of elongating membranes of the mold assembly14 May 2026US 2026/0131543 A1The Boeing Company
- Method of forming a composite preform14 May 2026US 2026/0131544 A1The Boeing Company
Most cited
By later US patents
- Method and apparatus for producing a three-dimensional object303US 5,647,931 AEOS GmbH Electro Optical Systems · 1997
- Material manipulation in three-dimensional printing149US 10,449,696 B2Velo3D, Inc. · 2019
- Method and apparatus for loading and unloading sheet molding compound in and from a press92US 4,571,320 AGeneral Motors Corporation · 1986
- Apparatus for compounding a fiber reinforced thermoplastic material and forming parts therefrom62US 5,401,154 AContinental Structural Plastics, Inc. · 1995
- Extruder apparatus and process for compounding thermoplastic resin and fibres61US 5,165,941 AComposite Products, Inc. · 1992