B08B 9/0933
Removing sludge or the like from tank bottoms
Official title: {Removing sludge or the like from tank bottoms}
B08B9/0933 (Removing sludge or the like from tank bottoms) appears on 228 US grants and 191 published applications in this corpus.
Search patents in B08B- Granted patents
- 228
- Published applications
- 191
- Assignees
- 161
- Inventors
- 397
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 11 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 5 |
| 2006 | 1 | 9 |
| 2007 | 4 | 6 |
| 2008 | 3 | 10 |
| 2009 | 3 | 6 |
| 2010 | 4 | 11 |
| 2011 | 8 | 13 |
| 2012 | 5 | 6 |
| 2013 | 1 | 8 |
| 2014 | 3 | 11 |
| 2015 | 13 | 9 |
| 2016 | 3 | 5 |
| 2017 | 10 | 14 |
| 2018 | 6 | 8 |
| 2019 | 10 | 3 |
| 2020 | 10 | 6 |
| 2021 | 6 | 7 |
| 2022 | 5 | 12 |
| 2023 | 6 | 10 |
| 2024 | 4 | 9 |
| 2025 | 8 | 9 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for removing solids from a separator and method therefor28 Jul 2026US 12,691,392 B2Expro North Sea Limited
- UT sensor interface for scanning complex environments16 Jun 2026US 12,656,320 B2Applied Impact Robotics, Inc
- System for spraying the interior of a container14 Apr 2026US 12,599,943 B2Core Insight Systems, Inc.
- Side-mounted garbage bin cleaning system10 Feb 2026US 12,544,811 B2Sparkling Bins, LLC
- Vessel cleaning robotic system16 Dec 2025US 12,496,625 B2King Fahd University of Petroleum and Minerals
- Machine for removing sediment, dregs, and the like1 Oct 2026US 2026/0297891 A1Gerotto Federico S.R.L.
- Machine for removing sediment, dregs, and the like27 Aug 2026US 2026/0249332 A1Gerotto Federico S.R.L.
- Apparatus and systems for waste removal30 Jul 2026US 2026/0216765 A1Saudi Arabian Oil Company
- Self-propelled vehicle for the removal of sediments, particularly in hazardous areas28 May 2026US 2026/0146406 A1Gerotto Federico S.R.L.
- Garbage bin cleaning system with flushing valve12 Feb 2026US 2026/0042605 A1Sparkling Bins, LLC
Most cited
By later US patents
- Reconfigurable mobile vehicle with magnetic tracks262US 5,363,935 ACarnegie Mellon University · 1994
- Collapsible mobile vehicle214US 5,451,135 ACarnegie Mellon University · 1995
- Reconfigurable mobile vehicle with magnetic tracks207US 5,435,405 ACarnegie Mellon University · 1995
- Method for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids97US 7,461,693 B2Schlumberger Technology Corporation · 2008
- Tank cleaning system using remotely controlled robotic vehicle69US 5,561,883 A1996