B30B 15/16
Control arrangements for fluid-driven presses
Official title: Control arrangements for fluid-driven presses (pumps per se F04; hydraulic accumulators per se F15B; valves per se F16K; control devices in general G05)
B30B15/16 (Control arrangements for fluid-driven presses) appears on 389 US grants and 255 published applications in this corpus.
Search patents in B30B- Granted patents
- 389
- Published applications
- 255
- Assignees
- 250
- Inventors
- 689
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 6 | 8 |
| 2004 | 2 | 2 |
| 2005 | 6 | 2 |
| 2006 | 3 | 3 |
| 2007 | 3 | 5 |
| 2008 | 3 | 5 |
| 2009 | 1 | 5 |
| 2010 | 3 | 7 |
| 2011 | 3 | 6 |
| 2012 | 3 | 8 |
| 2013 | 5 | 8 |
| 2014 | 5 | 16 |
| 2015 | 6 | 13 |
| 2016 | 7 | 19 |
| 2017 | 14 | 18 |
| 2018 | 13 | 21 |
| 2019 | 18 | 18 |
| 2020 | 26 | 20 |
| 2021 | 16 | 15 |
| 2022 | 22 | 19 |
| 2023 | 16 | 9 |
| 2024 | 8 | 10 |
| 2025 | 12 | 9 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B30B 15/161Controlling the ram speed and ram pressure80
- B30B 15/18Controlling the reciprocating motion of the ram69
- B30B 15/24Controlling the movement of a plurality of actuating members to maintain parallel56
- B30B 15/163For accumulator-driven presses52
- B30B 15/22Controlling the degree of pressure applied by the ram during the pressing44
- B30B 15/166Electrical control arrangements39
- B30B 15/165For pneumatically-hydraulically driven presses23
- B30B 15/168For pneumatically driven presses8
Recent patents
- Hydraulic drive system having a 2×2Q pump unit19 May 2026US 12,631,200 B2HMS-HYBRID MOTION SOLUTIONS GmbH
- System and methods for determining crimp applications and reporting power tool usage12 May 2026US 12,627,107 B2Milwaukee Electric Tool Corporation
- 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
- Heat press dual-zone temperature control system14 Apr 2026US 12,600,105 B2Lowtemp Industries LLC
- Compression mechanism13 Aug 2026US 2026/0233483 A1Futura S.P. A.
- Press-molding device25 Jun 2026US 2026/0175494 A1Panasonic Intellectual Property Management Co., Ltd.
- Compactor safety system with electromagnetic sensing25 Jun 2026US 2026/0175531 A1
- Hydraulic pulp bale press for compressing pulp bales and method of compressing21 May 2026US 2026/0138345 A1Valmet Corporation
- Methods and apparatus to manage hydraulic systems12 Mar 2026US 2026/0072458 A1The Bradbury Company, Inc.
Most cited
By later US patents
- Hydraulic system for supplying hydraulic fluid to a hydraulically operated device alternately at pressures of different value71US 4,142,368 AWelko Industriale S.p.A. · 1979
- Method and system for monitoring industrial machine62US 6,587,812 B1Komatsu Ltd. · 2003
- Automated trash compactor system55US 4,953,109 ADesign Rite, LLC · 1990
- Method for the operation of a motor-driven hand-held pressing apparatus, and hand-held pressing apparatus55US 8,056,473 B2Gustav Klauke GmbH · 2011
- Device in hydraulically driven machines51US 4,707,988 A1987