B60P 3/226
Arrangements of access openings or covers therefor
Official title: {Arrangements of access openings or covers therefor}
B60P3/226 (Arrangements of access openings or covers therefor) appears on 72 US grants and 75 published applications in this corpus.
Search patents in B60P- Granted patents
- 72
- Published applications
- 75
- Assignees
- 58
- Inventors
- 118
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 1 | 1 |
| 2003 | 4 | 3 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 2 | 4 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 4 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 3 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 3 |
| 2019 | 1 | 3 |
| 2020 | 3 | 1 |
| 2021 | 4 | 7 |
| 2022 | 5 | 4 |
| 2023 | 3 | 13 |
| 2024 | 7 | 7 |
| 2025 | 6 | 3 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tank trailer with fluid collection system22 Sep 2026US 12,741,578 B2Tremcar Inc.
- Tailgate assembly for a roll-off container25 Aug 2026US 12,715,684 B2
- Trailers for transporting commodities16 Jun 2026US 12,654,610 B2CEI Equipment Company LLC
- Door assembly for a manure holding tank2 Jun 2026US 12,643,458 B2
- Transportable self-contained cutting box17 Feb 2026US 12,552,591 B2
- Trailers for transporting commodities1 Oct 2026US 2026/0296294 A1CEI Equipment Company LLC
- Mobile fishing assembly13 Aug 2026US 2026/0231911 A1
- Fuel transport vehicle with a pumping and dispensing module23 Jul 2026US 2026/0208657 A1ND Defense LLC
- High pressure air compressor16 Apr 2026US 2026/0103139 A1Oshkosh Corporation
- Systems and methods for venting tanks to enhance transporting asphalt13 Nov 2025US 2025/0346174 A1Marathon Petroleum Company LP
Most cited
By later US patents
- Slide hatch for bulk carrier99US 6,196,590 B12001
- Tamper detection security for a tank trailer65US 7,140,211 B2Tremcar Inc. · 2006
- Pivotable and sealable cap assembly for opening in a large container41US 6,053,348 A2000
- Shutoff valve for fuel truck or tanker drain off downspouts25US 4,538,632 A1985
- Port closure for a tank23US 6,105,805 A2000