B01D 29/605
By level measuring
Official title: {by level measuring}
B01D29/605 (By level measuring) appears on 156 US grants and 82 published applications in this corpus.
Search patents in B01D- Granted patents
- 156
- Published applications
- 82
- Assignees
- 97
- Inventors
- 297
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 1 |
| 2002 | 5 | 1 |
| 2003 | 5 | 3 |
| 2004 | 2 | 0 |
| 2005 | 2 | 3 |
| 2006 | 3 | 3 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 2 | 3 |
| 2016 | 0 | 4 |
| 2017 | 1 | 3 |
| 2018 | 5 | 7 |
| 2019 | 5 | 2 |
| 2020 | 5 | 9 |
| 2021 | 5 | 6 |
| 2022 | 6 | 5 |
| 2023 | 3 | 6 |
| 2024 | 9 | 3 |
| 2025 | 2 | 5 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter apparatus and clothes treating apparatus having the same21 Jul 2026US 12,686,962 B2Samsung Electronics Co., Ltd.
- Method and device for controlling the water level in ground14 Oct 2025US 12,442,146 B2Altop Patents II B.V.
- Pre-wet system having pneumatic circulation8 Jul 2025US 12,350,609 B2Hermes-Epitek Corporation
- Fuel filter5 Nov 2024US 12,135,000 B2Ufi Filters S.P.A.
- Particle separation system and method27 Aug 2024US 12,070,704 B2Pentair Filtration Solutions, LLC
- Filtration device, filtration system, and filtration method20 Aug 2026US 2026/0241313 A1Hitachi High-Tech Corporation
- Method and System for Monitoring Fluid Levels in Medical Devices23 Jul 2026US 2026/0210751 A1Becton, Dickinson and Company
- Liquid level detection apparatus, sewage tank having liquid level detection apparatus, and cleaning device26 Feb 2026US 2026/0053306 A1Shanghai Zidong Technology Co., Ltd.
- Coolant supply assembly19 Feb 2026US 2026/0052647 A1Mann+Hummel GmbH
- Filter module, filter module control method and washing equipment29 Jan 2026US 2026/0028764 A1Haier Smart Home Co., Ltd.
Most cited
By later US patents
- Oil filter pack and assembly116US 6,048,454 A2000
- Solid-liquid separating filter medium for sewage, waste water, etc81US 5,942,113 A1999
- Moving web filter assembly52US 5,108,623 AGould Inc. · 1992
- Single cartridge filter46US 4,561,979 AHarmsco, Inc. · 1985
- Combination above grade automatic stormwater separation filtration system and method of separation and filtration44US 6,077,423 ASWAF, Inc. · 2000