B29C 31/00
Handling
Official title: Handling, e.g. feeding of the material to be shaped {, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots (discharging moulded articles from the mould B29C37/0003; storage of prepregs or SMC after impregnation or during ageing B29C70/54; baling of rubber B29B15/02)}
B29C31/00 (Handling) appears on 1,960 US grants and 1,421 published applications in this corpus.
Search patents in B29C- Granted patents
- 1,960
- Published applications
- 1,421
- Assignees
- 1,148
- Inventors
- 3,696
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 27 | 0 |
| 1978 | 22 | 0 |
| 1979 | 13 | 0 |
| 1980 | 15 | 0 |
| 1981 | 36 | 0 |
| 1982 | 19 | 0 |
| 1983 | 29 | 0 |
| 1984 | 26 | 0 |
| 1985 | 24 | 0 |
| 1986 | 34 | 0 |
| 1987 | 35 | 0 |
| 1988 | 33 | 0 |
| 1989 | 42 | 0 |
| 1990 | 54 | 0 |
| 1991 | 51 | 0 |
| 1992 | 35 | 0 |
| 1993 | 47 | 0 |
| 1994 | 32 | 0 |
| 1995 | 37 | 0 |
| 1996 | 35 | 0 |
| 1997 | 34 | 0 |
| 1998 | 54 | 0 |
| 1999 | 55 | 0 |
| 2000 | 41 | 0 |
| 2001 | 34 | 14 |
| 2002 | 31 | 40 |
| 2003 | 28 | 49 |
| 2004 | 33 | 54 |
| 2005 | 30 | 56 |
| 2006 | 26 | 44 |
| 2007 | 32 | 39 |
| 2008 | 24 | 37 |
| 2009 | 18 | 35 |
| 2010 | 21 | 37 |
| 2011 | 34 | 47 |
| 2012 | 35 | 49 |
| 2013 | 30 | 52 |
| 2014 | 34 | 59 |
| 2015 | 47 | 77 |
| 2016 | 50 | 87 |
| 2017 | 63 | 84 |
| 2018 | 72 | 102 |
| 2019 | 70 | 76 |
| 2020 | 70 | 79 |
| 2021 | 68 | 79 |
| 2022 | 61 | 70 |
| 2023 | 56 | 43 |
| 2024 | 65 | 44 |
| 2025 | 49 | 46 |
| 2026 | 20 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor system for dry powder electrode formation and methods of using the same8 Sep 2026US 12,728,565 B2Matthews International Corporation
- Device and method for processing bulk material18 Aug 2026US 12,709,043 B2Coperion GmbH
- Injection molding system and method11 Aug 2026US 12,703,133 B2King Steel Machinery Co., Ltd.
- Imprint apparatus, imprint method, method of manufacturing article, determination method. and non-transitory computer-readable storage medium4 Aug 2026US 12,697,766 B2Canon Kabushiki Kaisha
- Film roll positioning device of a forming over part system14 Jul 2026US 12,679,004 B2GM Global Technology Operations LLC
- 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
- Dehumidification drying system for synthetic resin molding material23 Jul 2026US 2026/0210629 A1Osaka Reiken Co., Ltd.
- Systems and methods for manufacturing an article of footwear16 Jul 2026US 2026/0200145 A1Puma SE
- Pick and Place End Effector Configured to Form a Kink16 Jul 2026US 2026/0200167 A1The Boeing Company
Most cited
By later US patents
- Surgical tissue sealer1,640US 8,752,264 B2Covidien LP · 2014
- Method of forming articles including waveguides via capillary micromolding and microtransfer molding512US 6,355,198 B1President and Fellows of Harvard College · 2002
- Molding process352US 4,247,508 AHico Western Products Co. · 1981
- Methods for composite filament fabrication in three dimensional printing348US 9,126,365 B1Markforged, Inc. · 2015
- Method and apparatus for producing a three-dimensional object303US 5,647,931 AEOS GmbH Electro Optical Systems · 1997