B30B 15/18
Controlling the reciprocating motion of the ram
Official title: controlling the reciprocating motion of the ram
B30B15/18 (Controlling the reciprocating motion of the ram) appears on 69 US grants and 35 published applications in this corpus.
Search patents in B30B- Granted patents
- 69
- Published applications
- 35
- Assignees
- 54
- Inventors
- 136
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 4 |
| 2020 | 3 | 5 |
| 2021 | 3 | 2 |
| 2022 | 5 | 6 |
| 2023 | 3 | 2 |
| 2024 | 1 | 3 |
| 2025 | 3 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of material forming and/or cutting28 Apr 2026US 12,611,706 B2Cell Impact AB
- Hydraulic forming machine for pressing workpieces, in particular forging hammer, and method for operating a hydraulic forming machine, in particular a forging hammer14 Apr 2026US 12,599,954 B2Langenstein & Schemann GmbH
- Hydraulic or oleodynamic or pneumatic press23 Dec 2025US 12,502,861 B2Muraro S.R.L.
- Press device25 Nov 2025US 12,479,180 B2Sumitomo Heavy Industries, Ltd.
- Bending machine, in particular a press brake, with a position measuring system4 Feb 2025US 12,214,405 B2Bystronic Laser AG
- Pressing Device31 Jul 2025US 2025/0242520 A1Alphasystem Corporation
- Powder press having a hydraulic press drive30 Jan 2025US 2025/0033310 A1Dorst Technologies GmbH & Co. KG
- Bending machine, in particular a press brake, with a position measuring system8 Aug 2024US 2024/0261837 A1Bystronic Laser AG
- Hydraulic forming machine for pressing workpieces, in particular forging hammer, and method for operating a hydraulic forming machine, in particular a forging hammer30 May 2024US 2024/0173765 A1Langenstein & Schemann GmbH
- Hydraulic or oleodynamic or pneumatic press16 May 2024US 2024/0157664 A1Muraro S.R.L.
Most cited
By later US patents
- Automated trash compactor system55US 4,953,109 ADesign Rite, LLC · 1990
- Fluid actuated, double acting machine for punching, cutting, bending or the like31US 5,282,378 AKabushiki Kaisha Ogura · 1994
- Die casting machine with piston positioning control26US 3,956,973 ABasic Aluminum Castings Company · 1976
- Apparatus for synchronizing cylinder position in a multiple cylinder hydraulic press brake26US 4,797,831 ACincinnati Incorporated · 1989
- Crosshead and bolster spacing control for servo controlled press24US 4,531,901 AMTS Systems Corporation · 1985