B29C 45/281
Drive means therefor
Official title: {Drive means therefor}
B29C45/281 (Drive means therefor) appears on 348 US grants and 328 published applications in this corpus.
Search patents in B29C- Granted patents
- 348
- Published applications
- 328
- Assignees
- 97
- Inventors
- 309
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 0 |
| 2002 | 4 | 8 |
| 2003 | 9 | 9 |
| 2004 | 8 | 12 |
| 2005 | 1 | 4 |
| 2006 | 11 | 11 |
| 2007 | 9 | 8 |
| 2008 | 8 | 8 |
| 2009 | 4 | 15 |
| 2010 | 10 | 12 |
| 2011 | 11 | 7 |
| 2012 | 13 | 16 |
| 2013 | 12 | 18 |
| 2014 | 6 | 15 |
| 2015 | 11 | 16 |
| 2016 | 14 | 23 |
| 2017 | 12 | 27 |
| 2018 | 22 | 28 |
| 2019 | 18 | 16 |
| 2020 | 20 | 13 |
| 2021 | 24 | 23 |
| 2022 | 10 | 13 |
| 2023 | 18 | 16 |
| 2024 | 9 | 5 |
| 2025 | 8 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 2045/2824Needle valves driven by an electric motorIndexing code76
- B29C 2045/2813Common drive means for several needle valvesIndexing code71
- B29C 2045/2834Needle valves driven by a leverIndexing code32
- B29C 2045/2831Needle valves driven by a camIndexing code21
- B29C 2045/2817Several valve pin drive cylinders connected to the fluid distributorIndexing code19
- B29C 2045/282Needle valves driven by screw and nut meansIndexing code18
- B29C 2045/2837Needle valves driven by rack and pinionIndexing code16
- B29C 2045/2827Needle valves driven by an annular piston mounted around the nozzleIndexing code12
Recent patents
- Guillotine obturation valve for injection molding4 Aug 2026US 12,697,759 B2INGLASS S.p.A.
- Injection molding apparatus24 Feb 2026US 12,558,828 B2INGLASS S.p.A.
- Flow control of an injection molding system23 Dec 2025US 12,502,816 B2Incoe Corporation
- Hot runner process controller11 Nov 2025US 12,466,117 B2Incoe Corporation
- System for operating a fluid actuator29 Jul 2025US 12,370,730 B2INGLASS S.p.A.
- Guillotine obturation valve for injection molding11 Jun 2026US 2026/0158717 A1INGLASS S.p.A.
- Injection mould and method for manufacturing parts2 Apr 2026US 2026/0091539 A1
- Gate valve for controlling a flow of molten material11 Dec 2025US 2025/0377049 A1INGLASS S.p.A.
- Guillotine obturation valve for injection molding14 Aug 2025US 2025/0256441 A1INGLASS S.p.A.
- Injection molding machine17 Jul 2025US 2025/0229469 A1
Most cited
By later US patents
- Electric actuator for a melt flow control pin86US 6,294,122 B1Synventive Molding Solutions, Inc. · 2001
- Actuating mechanism for gate valve of injection nozzle74US 4,173,448 AHusky Injection Molding Systems Ltd. · 1979
- Apparatus for proportionally controlling fluid delivery to a mold71US 6,309,208 B1Synventive Molding Solutions, Inc. · 2001
- Valve pin actuator69US 5,894,025 AKona Corporation · 1999
- Multicavity injection molding apparatus having precision adjustment and shut off of injection flow to individual mold cavities67US 5,078,589 A1992