B01D 19/0042
Modifying the liquid flow
Official title: {modifying the liquid flow (B01D19/0021 takes precedence)}
B01D19/0042 (Modifying the liquid flow) appears on 1,635 US grants and 1,383 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,635
- Published applications
- 1,383
- Assignees
- 1,063
- Inventors
- 3,306
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 14 | 0 |
| 1978 | 22 | 0 |
| 1979 | 11 | 0 |
| 1980 | 8 | 0 |
| 1981 | 16 | 0 |
| 1982 | 22 | 0 |
| 1983 | 22 | 0 |
| 1984 | 21 | 0 |
| 1985 | 17 | 0 |
| 1986 | 22 | 0 |
| 1987 | 28 | 0 |
| 1988 | 16 | 0 |
| 1989 | 27 | 0 |
| 1990 | 24 | 0 |
| 1991 | 24 | 0 |
| 1992 | 18 | 0 |
| 1993 | 29 | 0 |
| 1994 | 15 | 0 |
| 1995 | 15 | 0 |
| 1996 | 17 | 0 |
| 1997 | 18 | 0 |
| 1998 | 17 | 0 |
| 1999 | 23 | 0 |
| 2000 | 24 | 0 |
| 2001 | 22 | 4 |
| 2002 | 26 | 18 |
| 2003 | 13 | 24 |
| 2004 | 28 | 22 |
| 2005 | 16 | 28 |
| 2006 | 18 | 29 |
| 2007 | 16 | 37 |
| 2008 | 22 | 36 |
| 2009 | 31 | 46 |
| 2010 | 30 | 39 |
| 2011 | 37 | 55 |
| 2012 | 35 | 40 |
| 2013 | 46 | 55 |
| 2014 | 39 | 62 |
| 2015 | 45 | 60 |
| 2016 | 35 | 69 |
| 2017 | 69 | 87 |
| 2018 | 68 | 79 |
| 2019 | 59 | 85 |
| 2020 | 90 | 95 |
| 2021 | 86 | 91 |
| 2022 | 78 | 88 |
| 2023 | 85 | 77 |
| 2024 | 67 | 55 |
| 2025 | 54 | 66 |
| 2026 | 39 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid processing fixture and device6 Oct 2026US 12,752,221 B2Triple Win Technology(Shenzhen) Co. Ltd.
- Deaerator impeller rotor with gear rotor6 Oct 2026US 12,753,708 B2Pratt & Whitney Canada Corp.
- Vapor-liquid separator and systems including same29 Sep 2026US 12,747,897 B2Copeland Corporation
- Method and apparatus for producing carbonate salts22 Sep 2026US 12,741,880 B2Nanomist Technologies Co., Ltd.
- Removal device15 Sep 2026US 12,734,466 B2Aalberts hfc B.V.
- Gas turbine engine fuel system8 Oct 2026US 2026/0306970 A1General Electric Company
- Gas separator for electrical submersible pump8 Oct 2026US 2026/0309018 A1Halliburton Energy Services.Inc.
- Oil separator structure for blow-by gas recirculation system, and vehicle1 Oct 2026US 2026/0295464 A1Isuzu Motors Limited
- Liquid transfer apparatus1 Oct 2026US 2026/0295468 A1
- System and method for deaeration1 Oct 2026US 2026/0295469 A1Donaldson Company, Inc.
Most cited
By later US patents
- Apparatus and method for treatment of hydraulic fracturing fluid during hydraulic fracturing149US 10,478,753 B1Ch International Equipment Ltd. · 2019
- Deaeration apparatus135US 4,997,464 A1991
- Swirling flow bubble trap120US 3,996,027 ABaxter Laboratories, Inc. · 1976
- Cyclone inlet flow diverter for separator vessels114US 4,778,494 AAtlantic Richfield Company · 1988
- Bubble trap109US 4,102,655 ACobe Laboratories, Inc. · 1978