B03B 9/02
General arrangement of separating plant: specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite
Official title: specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite, bitumen, or the like
B03B9/02 (General arrangement of separating plant: specially adapted for oil-sand, oil-chalk, oil-shales, ozokerite) appears on 136 US grants and 96 published applications in this corpus.
Search patents in B03B- Granted patents
- 136
- Published applications
- 96
- Assignees
- 107
- Inventors
- 256
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 4 |
| 2003 | 2 | 0 |
| 2004 | 0 | 5 |
| 2005 | 0 | 1 |
| 2006 | 1 | 6 |
| 2007 | 2 | 6 |
| 2008 | 4 | 7 |
| 2009 | 1 | 4 |
| 2010 | 5 | 6 |
| 2011 | 3 | 2 |
| 2012 | 5 | 5 |
| 2013 | 1 | 6 |
| 2014 | 4 | 2 |
| 2015 | 3 | 2 |
| 2016 | 5 | 7 |
| 2017 | 7 | 3 |
| 2018 | 3 | 1 |
| 2019 | 1 | 3 |
| 2020 | 3 | 6 |
| 2021 | 3 | 5 |
| 2022 | 2 | 1 |
| 2023 | 2 | 7 |
| 2024 | 2 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separator system and method19 May 2026US 12,631,076 B2
- Methods of treating metal mine tailings15 Jul 2025US 12,358,000 B2
- Continuous recirculation for separation of fluids produced during drill out and flow back29 Apr 2025US 12,286,847 B2
- Direct contact process and method for producing hot water using mature fine tailings (MFT)25 Mar 2025US 12,258,522 B2Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources
- Separator system and method24 Dec 2024US 12,173,567 B2
- System and method for recovering bitumen, granules, and limestone fillers from used asphalt shingles4 Dec 2025US 2025/0368795 A1
- Continuous recirculation for separation of fluids produced during drill out and flow back17 Jul 2025US 2025/0230719 A1Cp Energy Services, LLC
- Continuous recirculation for separation of fluids produced during drill out and flow back20 Feb 2025US 2025/0059840 A1Cp Energy Services, LLC
- Continuous recirculation for separation of fluids produced during drill out and flow back21 Nov 2024US 2024/0384613 A1Cp Energy Services, LLC
- Improved flotation and solid-liquid separation of tailings20 Jun 2024US 2024/0198359 A1Extrakt Process Solutions, LLC
Most cited
By later US patents
- Tar sands extraction process312US 5,985,138 AGeopetrol Equipment Ltd. · 1999
- Low temperature bitumen recovery process113US 4,946,597 AEsso Resources Canada Limited · 1990
- Ambient froth flotation process for the recovery of bitumen from tar sand87US 4,425,227 AGNC Energy Corporation · 1984
- Process for increasing the bitumen content of oil sands froth72US 5,223,148 AOslo Alberta Limited · 1993
- Treatment of primary tailings and middlings from the hot water extraction process for recovering bitumen from tar sand68US 4,545,892 AAlberta Energy Company Ltd. · 1985