B01D 17/12
Auxiliary equipment particularly adapted for use with liquid-separating apparatus
Official title: Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits
B01D17/12 (Auxiliary equipment particularly adapted for use with liquid-separating apparatus) appears on 446 US grants and 429 published applications in this corpus.
Search patents in B01D- Granted patents
- 446
- Published applications
- 429
- Assignees
- 294
- Inventors
- 951
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 1 |
| 2002 | 9 | 8 |
| 2003 | 8 | 13 |
| 2004 | 7 | 8 |
| 2005 | 8 | 10 |
| 2006 | 9 | 3 |
| 2007 | 4 | 5 |
| 2008 | 5 | 2 |
| 2009 | 3 | 1 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 7 |
| 2013 | 3 | 10 |
| 2014 | 4 | 20 |
| 2015 | 10 | 9 |
| 2016 | 14 | 29 |
| 2017 | 19 | 28 |
| 2018 | 20 | 30 |
| 2019 | 27 | 39 |
| 2020 | 23 | 44 |
| 2021 | 47 | 47 |
| 2022 | 32 | 30 |
| 2023 | 30 | 26 |
| 2024 | 28 | 18 |
| 2025 | 15 | 26 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water oil separator vessel with hydrophobic mesh tubes8 Sep 2026US 12,728,369 B2Saudi Arabian Oil Company
- System for continuous oil/water separation using superhydrophilic oil/water separation filter14 Jul 2026US 12,678,713 B2Postech Research and Business Development Foundation
- Waste oil handling apparatus26 May 2026US 12,636,596 B2
- Gas plant hydrocarbon recovery management system and process5 May 2026US 12,616,922 B2Saudi Arabian Oil Company
- Separator for separating constituents of well fluid, method therfor and system for separating constituents of well fluid21 Apr 2026US 12,605,651 B2Expro North Sea Limited
- Devices, systems, and methods to manage an emulsion in a fluid collection and transportation system8 Oct 2026US 2026/0306969 A1Schlumberger Technology Corporation
- Equipment and method for removing a supernatant phase from a body of water in a polluted groundwater8 Oct 2026US 2026/0307123 A1ENI S. p. A.
- Cathodic protection system and method for oil and gas heater treater vessel1 Oct 2026US 2026/0297759 A1
- Coolant recycling apparatus24 Sep 2026US 2026/0284553 A1Camco Manufacturing, Inc.
- Method for operating a system comprising a centrifugal separator27 Aug 2026US 2026/0249213 A1Alfa Laval Corporate AB
Most cited
By later US patents
- Swimming pool control system134US 5,730,861 A1998
- Separator systems for well production fluids102US 5,570,744 AAtlantic Richfield Company · 1996
- Apparatus and method for separating and concentrating fluids containing multiple components100US 7,845,499 B2Biomet Biologics, LLC · 2010
- Computer operated material processing systems and method90US 5,946,220 A1999
- Reversible filter element87US 5,645,718 AParker-Hannifin Corporation · 1997