F04D 29/2288
For comminuting, mixing or separating
Official title: {for comminuting, mixing or separating}
F04D29/2288 (For comminuting, mixing or separating) appears on 221 US grants and 186 published applications in this corpus.
Search patents in F04D- Granted patents
- 221
- Published applications
- 186
- Assignees
- 137
- Inventors
- 322
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 7 | 5 |
| 2003 | 5 | 3 |
| 2004 | 6 | 7 |
| 2005 | 4 | 9 |
| 2006 | 6 | 3 |
| 2007 | 6 | 2 |
| 2008 | 2 | 4 |
| 2009 | 1 | 9 |
| 2010 | 8 | 10 |
| 2011 | 3 | 4 |
| 2012 | 9 | 8 |
| 2013 | 7 | 4 |
| 2014 | 6 | 8 |
| 2015 | 3 | 13 |
| 2016 | 5 | 7 |
| 2017 | 9 | 15 |
| 2018 | 11 | 11 |
| 2019 | 14 | 10 |
| 2020 | 11 | 7 |
| 2021 | 6 | 7 |
| 2022 | 11 | 9 |
| 2023 | 7 | 9 |
| 2024 | 12 | 8 |
| 2025 | 9 | 8 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrodynamic cavitation system for the removal of unwanted, toxic, or contaminated organic and inorganic compounds25 Aug 2026US 12,715,788 B28215 Technology, Inc.
- Submersible pump with external slicer28 Jul 2026US 12,692,879 B1
- Impeller pump and method26 May 2026US 12,638,021 B2Pentair Flow Technologies, LLC
- Submersible pump with external slicer19 May 2026US 12,631,185 B1
- Split volute for submersible pump10 Mar 2026US 12,571,408 B2Industrial Flow Solutions Operating, LLC
- Enhanced discharge pump for household appliances and washing machine or dishwasher comprising said discharge pump13 Aug 2026US 2026/0235139 A1Askoll Holding S.r.l.
- Pump9 Jul 2026US 2026/0194065 A1Ebara Corporation
- Multi-stage impeller usable with a compressor and compressor with multi-stage impeller21 May 2026US 2026/0139685 A1Johnson Controls Tyco IP Holdings LLP
- Centrifugal pump impeller with inverted expulsion chambers9 Apr 2026US 2026/0098543 A1Crane Pumps & Systems PFT Corp.
- Centrifugal Pump Having Wear-Resistant Wear Plate With Scraper Element5 Feb 2026US 2026/0036132 A1KSB SE & Co. KGaA
Most cited
By later US patents
- Underwater sand pump146US 4,456,424 AToyo Denki Kogyosho Co., Ltd. · 1984
- Centrifugal pump140US 4,640,666 AInternational Standard Electric Corporation · 1987
- Pumps for pumping molten metal with a stirring action137US 6,019,576 A2000
- Apparatus for fluidizing, degassing and pumping a suspension of fibrous cellulose material130US 5,209,641 AKamyr, Inc. · 1993
- Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection130US 5,944,496 A1999