F04D 29/2233
Entirely open or stamped from one sheet
Official title: {entirely open or stamped from one sheet}
F04D29/2233 (Entirely open or stamped from one sheet) appears on 12 US grants and 14 published applications in this corpus.
Search patents in F04D- Granted patents
- 12
- Published applications
- 14
- Assignees
- 15
- Inventors
- 30
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 3 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Foot spa with disposable pump8 Apr 2025US 12,268,649 B2Gulfstream Inc.
- Foot spa with disposable pump9 Apr 2024US 11,951,069 B2Gulfstream Inc.
- High viscosity pumping system and method of using same10 Aug 2021US 11,085,451 B2Alkhorayef Petroleum Company
- Rotor for a centrifugal flow machine and a centrifugal flow machine25 Apr 2017US 9,631,633 B2Sulzer Management AG
- Washer pump1 Apr 2014US 8,684,686 B2Bowles Fluidics Corporation
- Foot spa with disposable pump17 Jul 2025US 2025/0228739 A1Gulfstream Inc.
- Foot spa with disposable pump4 Jul 2024US 2024/0216218 A1Gulfstream Inc.
- Foot spa with disposable pump25 Nov 2021US 2021/0361527 A1Gulfstream Inc.
- High viscosity pumping system and method of using same15 Oct 2020US 2020/0325901 A1Alkhorayef Petroleum Company
- Rotor for a centrifugal flow machine and a centrifugal flow machine19 May 2016US 2016/0138604 A1Sulzer Management AG
Most cited
By later US patents
- Adjustable vane centrifugal pump impeller construction47US 4,139,330 ABuffalo Forge Company · 1979
- Washer pump9US 8,348,606 B2Bowles Fluidics Corporation · 2013
- Food centrifugal pump formed by stamping and welding having a seal arrangement between the impeller and casing6US 8,113,802 B2Guangdong Winning Pumps Industrial Co., Ltd. · 2012
- Washer pump4US 8,684,686 B2Bowles Fluidics Corporation · 2014
- High viscosity pumping system and method of using same3US 11,085,451 B2Alkhorayef Petroleum Company · 2021