B30B 9/3021
Press rams
Official title: {Press rams}
B30B9/3021 (Press rams) appears on 141 US grants and 97 published applications in this corpus.
Search patents in B30B- Granted patents
- 141
- Published applications
- 97
- Assignees
- 83
- Inventors
- 225
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 3 | 0 |
| 2005 | 2 | 1 |
| 2006 | 3 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 6 |
| 2009 | 4 | 3 |
| 2010 | 4 | 6 |
| 2011 | 3 | 6 |
| 2012 | 3 | 4 |
| 2013 | 2 | 4 |
| 2014 | 4 | 5 |
| 2015 | 5 | 8 |
| 2016 | 4 | 7 |
| 2017 | 4 | 5 |
| 2018 | 4 | 5 |
| 2019 | 7 | 4 |
| 2020 | 6 | 5 |
| 2021 | 6 | 4 |
| 2022 | 8 | 3 |
| 2023 | 2 | 4 |
| 2024 | 1 | 1 |
| 2025 | 5 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System, apparatus, and method for on-site trash compaction26 May 2026US 12,637,283 B1Pinnacle Design Consulting LLC
- Rubber balers27 May 2025US RE50,443 E1Karltex Machine, Inc.
- Unit for treating used food packages15 Apr 2025US 12,275,210 B2Solo Gelato Ltd.
- Ram liner11 Mar 2025US 12,246,506 B2Honeywell Federal Manufacturing & Technologies, LLC
- Self contained compactor system4 Feb 2025US 12,214,568 B2Marathon Equipment Company
- Hydraulic pulp bale press for compressing pulp bales and method of compressing21 May 2026US 2026/0138345 A1Valmet Corporation
- Waste Compacting Apparatus8 Jan 2026US 2026/0008247 A1Cobalt Machinery Ltd
- Self contained compactor system5 Jun 2025US 2025/0178301 A1Marathon Equipment Company
- Waste compactor22 May 2025US 2025/0162795 A1Fast Automation Pty Ltd
- Device for compressing and tying up recycling bales and method for tying up recycling bales using such a device17 Apr 2025US 2025/0121574 A1
Most cited
By later US patents
- Refuse collecting system and a vehicle and container for use therein66US 4,113,125 A1978
- Automatic waste recycling machine and disposal system47US 5,447,017 A1995
- Paper shredder having a manual paper pressing device33US 7,150,422 B2Michilin Prosperity Co., Ltd. · 2006
- Trash compactor31US 4,147,100 APortable Laboratories, Inc. · 1979
- Top loading, automatically compacting trash can for high-traffic public venues30US 6,701,832 B1Ampro Corporation · 2004