B01D 29/606
By pressure measuring
Official title: {by pressure measuring}
B01D29/606 (By pressure measuring) appears on 341 US grants and 223 published applications in this corpus.
Search patents in B01D- Granted patents
- 341
- Published applications
- 223
- Assignees
- 216
- Inventors
- 703
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 15 | 1 |
| 2002 | 6 | 3 |
| 2003 | 6 | 10 |
| 2004 | 8 | 7 |
| 2005 | 7 | 7 |
| 2006 | 2 | 6 |
| 2007 | 2 | 4 |
| 2008 | 6 | 4 |
| 2009 | 3 | 3 |
| 2010 | 2 | 6 |
| 2011 | 1 | 3 |
| 2012 | 4 | 4 |
| 2013 | 1 | 6 |
| 2014 | 5 | 4 |
| 2015 | 2 | 10 |
| 2016 | 5 | 8 |
| 2017 | 8 | 10 |
| 2018 | 8 | 18 |
| 2019 | 14 | 8 |
| 2020 | 14 | 15 |
| 2021 | 8 | 11 |
| 2022 | 9 | 26 |
| 2023 | 13 | 17 |
| 2024 | 10 | 12 |
| 2025 | 12 | 10 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Well plug debris capturing system28 Jul 2026US 12,692,757 B1Bandit Services, LLC
- Fluid filtration system with single use filter and integrated integrity test device and method of using same2 Jun 2026US 12,643,062 B2Cytiva US LLC
- Device and a method for tangential flow filtration of a fluid12 May 2026US 12,623,169 B2Levitronix LLC
- Single-use device for the separation or filtering of a large volume of a mixture of substances5 May 2026US 12,616,920 B2Sartorius Stedim Biotech GmbH
- Automated control of high-pressure filter systems17 Mar 2026US 12,576,349 B2
- Fluid filtration system with single use filter and integrated integrity test device and method of using same17 Sep 2026US 2026/0273442 A1Cytiva US LLC
- Filter Apparatus and Filter Element6 Aug 2026US 2026/0225012 A1Hydac Filtertechnik GmbH
- Predictive maintenance controls for filters in liquid cooling applications2 Jul 2026US 2026/0183686 A1Vertiv Corporation
- Automatic flushing system for filters associated with an irrigation system25 Jun 2026US 2026/0175150 A1
- Method and system for estimating remaining useful life of fuel filter18 Jun 2026US 2026/0166456 A1Caterpillar Inc.
Most cited
By later US patents
- Method of back-washing submerged-type ceramic membrane separation apparatus106US 5,647,988 AKubota Corporation · 1997
- Gas backwash of pleated filters83US 5,468,397 AMemtec America Corporation · 1995
- Pneumatic hydro-pulse filter system and method of operation81US 4,552,669 AMott Metallurgical Corporation · 1985
- Dynamic filter system78US 5,679,249 APall Corporation · 1997
- System for monitoring the performance of fluid treatment cartridges72US 7,638,042 B23M Innovative Properties Company · 2009