B01F 25/31331
Perforated, multi-opening, with a plurality of holes
Official title: {Perforated, multi-opening, with a plurality of holes}
B01F25/31331 (Perforated, multi-opening, with a plurality of holes) appears on 226 US grants and 301 published applications in this corpus.
Search patents in B01F- Granted patents
- 226
- Published applications
- 301
- Assignees
- 195
- Inventors
- 630
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 1 | 1 |
| 2003 | 2 | 4 |
| 2004 | 0 | 3 |
| 2005 | 4 | 8 |
| 2006 | 4 | 7 |
| 2007 | 5 | 9 |
| 2008 | 5 | 10 |
| 2009 | 4 | 13 |
| 2010 | 6 | 9 |
| 2011 | 8 | 8 |
| 2012 | 8 | 14 |
| 2013 | 6 | 21 |
| 2014 | 12 | 11 |
| 2015 | 8 | 14 |
| 2016 | 13 | 13 |
| 2017 | 9 | 18 |
| 2018 | 10 | 13 |
| 2019 | 17 | 18 |
| 2020 | 18 | 20 |
| 2021 | 17 | 17 |
| 2022 | 7 | 11 |
| 2023 | 12 | 12 |
| 2024 | 9 | 11 |
| 2025 | 14 | 25 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid control apparatus and related methods18 Aug 2026US 12,709,877 B2Delta Faucet Company
- System and method for removal of volatile hydrocarbons from a water stream4 Aug 2026US 12,698,219 B2ChartWater, LLC
- Systems, devices and methods for dispensing biocompatible reactive formulations and controlling cross-linking of the reactive components of the biocompatible reactive formulations3 Feb 2026US 12,539,374 B2Ethicon, Inc.
- Multimode direct injection heater assembly30 Dec 2025US 12,510,242 B2Prosonix Limited
- Nano-bubble generating apparatus and method25 Nov 2025US 12,478,927 B2Moleaer, Inc.
- Internal combustion engine13 Aug 2026US 2026/0235095 A1
- Injection quill device6 Aug 2026US 2026/0227037 A1Bohr Limited
- In Situ Foam Generation Within a Turbine Engine11 Jun 2026US 2026/0160182 A1General Electric Company
- Gas Infusion Apparatus and Method of Making28 May 2026US 2026/0145143 A1
- Stable Carbonic Acid and Method of Making28 May 2026US 2026/0145144 A1
Most cited
By later US patents
- Method and apparatus for reducing nitrogen oxides from internal combustion engine207US 5,272,871 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1993
- NOx decreasing apparatus for an internal combustion engine153US 5,412,946 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1995
- Emulsifying system121US 4,117,550 AFolland Enertec Ltd. · 1978
- Gaseous injector for mixing apparatus76US 4,674,888 AKomax Systems, Inc. · 1987
- Mixture delivery device for internal combustion engines76US 6,041,594 ARobert Bosch GmbH · 2000