B29C 48/475
Using pistons, accumulators or press rams
Official title: using pistons, accumulators or press rams
B29C48/475 (Using pistons, accumulators or press rams) appears on 348 US grants and 245 published applications in this corpus.
Search patents in B29C- Granted patents
- 348
- Published applications
- 245
- Assignees
- 248
- Inventors
- 732
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 11 | 0 |
| 1990 | 13 | 0 |
| 1991 | 7 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 1 | 3 |
| 2003 | 7 | 11 |
| 2004 | 6 | 9 |
| 2005 | 6 | 9 |
| 2006 | 7 | 8 |
| 2007 | 4 | 9 |
| 2008 | 6 | 16 |
| 2009 | 6 | 16 |
| 2010 | 13 | 16 |
| 2011 | 10 | 14 |
| 2012 | 11 | 14 |
| 2013 | 4 | 13 |
| 2014 | 8 | 9 |
| 2015 | 12 | 13 |
| 2016 | 8 | 2 |
| 2017 | 8 | 10 |
| 2018 | 7 | 9 |
| 2019 | 5 | 6 |
| 2020 | 6 | 11 |
| 2021 | 10 | 11 |
| 2022 | 8 | 6 |
| 2023 | 4 | 5 |
| 2024 | 4 | 8 |
| 2025 | 7 | 9 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and apparatus for fabricating porous three-dimensional tubular scaffolds13 Jan 2026US 12,521,950 B2Amt Medical B.V.
- Method for operating a printhead for a 3D printer and printhead for a 3D printer for carrying out the method30 Dec 2025US 12,508,769 B2Robert Bosch GmbH
- Die lip opening/closing device7 Oct 2025US 12,434,418 B2Kyoraku Co., Ltd.
- Conduit inserts for encapsulant compound formulation kneading and encapsulation back-end assembly processes16 Sep 2025US 12,415,305 B2NXP USA, Inc.
- Apparatus and method for extruding curved profiles29 Jul 2025US 12,370,591 B2Imperial College Innovations Limited
- Method for dispensing discrete volumes23 Jul 2026US 2026/0208447 A1Arburg GmbH + Co KG
- Apparatus and Method for Applying a Coating Material to a Wire4 Jun 2026US 2026/0151947 A1Tre Tau Engineering S.R.L.
- A Variable Flow Recyclable Material Extrusion System and Method30 Apr 2026US 2026/0115989 A1Waste To Product Technologies Ltd.
- Extrusion method and apparatus26 Mar 2026US 2026/0084196 A1
- Motor core manufacturing device, and motor core manufacturing method8 Jan 2026US 2026/0008212 A1NHK Spring Co., Ltd.
Most cited
By later US patents
- Process and apparatus for creating a colorful three-dimensional object372US 6,129,872 A2000
- Reinforced vascular graft and method of making same246US 5,609,624 AImpra, Inc. · 1997
- Knee blocker for automotive application135US 4,853,270 AEssex Specialty Products, Inc. · 1989
- Continuous fiber reinforced composites and methods, apparatuses, and compositions for making the same97US 6,899,777 B2Advanced Ceramics Research, Inc. · 2005
- Solid freeform fabrication using chemically reactive suspensions67US 6,454,972 B1Sandia Corporation · 2002