B01D 36/003
Filters in combination with devices for the removal of liquids
Official title: {Filters in combination with devices for the removal of liquids (B01D35/185 takes precedence)}
B01D36/003 (Filters in combination with devices for the removal of liquids) appears on 612 US grants and 610 published applications in this corpus.
Search patents in B01D- Granted patents
- 612
- Published applications
- 610
- Assignees
- 214
- Inventors
- 1,057
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 10 | 0 |
| 1985 | 13 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 5 |
| 2002 | 8 | 10 |
| 2003 | 12 | 11 |
| 2004 | 10 | 9 |
| 2005 | 9 | 14 |
| 2006 | 4 | 24 |
| 2007 | 5 | 19 |
| 2008 | 7 | 15 |
| 2009 | 10 | 19 |
| 2010 | 10 | 21 |
| 2011 | 15 | 30 |
| 2012 | 13 | 25 |
| 2013 | 20 | 31 |
| 2014 | 21 | 19 |
| 2015 | 22 | 24 |
| 2016 | 24 | 47 |
| 2017 | 22 | 47 |
| 2018 | 18 | 33 |
| 2019 | 41 | 42 |
| 2020 | 56 | 45 |
| 2021 | 23 | 26 |
| 2022 | 32 | 27 |
| 2023 | 27 | 19 |
| 2024 | 17 | 17 |
| 2025 | 17 | 16 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Drain valve5 May 2026US 12,618,483 B2Gardner-Denver Company
- Multistage filter with hydrophobic screen28 Apr 2026US 12,611,622 B2Atmus Filtration Inc.
- Fluid filter system with auto drain14 Apr 2026US 12,599,856 B2Axi International Corporation
- Advanced fuel filtration system with interlocking cartridge seal design17 Mar 2026US 12,576,348 B2Atmus Filtration Inc.
- Devices, systems, and methods, for integrating of a fluid service assembly into a machine1 Oct 2026US 2026/0295482 A1Rpm Industries, LLC
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Separation system, vacuum arrangement, and use of a separation stage13 Aug 2026US 2026/0233132 A1Von Ardenne Asset GmbH & Co. KG
- Multistage filter with hydrophobic screen23 Jul 2026US 2026/0208080 A1Atmus Filtration Inc.
- Oil purification apparatus23 Jul 2026US 2026/0208081 A1TWO-N Co., Ltd.
Most cited
By later US patents
- Fuel filter assembly with replacement element105US 5,770,065 AParker-Hannifin Corporation · 1998
- Fuel filter assembly and cartridge101US 4,372,847 AChicago Rawhide Manufacturing Company · 1983
- Cartridge filter with integrated threading having anti-rotation feature97US 6,139,738 AParker-Hannifin Corporation · 2000
- Filter for internal combustion engine fuels93US 6,709,588 B2Filterwerk Mann & Hummel GmbH · 2004
- Fuel filter and water separator apparatus88US 4,298,465 ARacor Industries, Inc. · 1981