F04D 29/146
Especially adapted for liquid pumps
Official title: {especially adapted for liquid pumps}
F04D29/146 (Especially adapted for liquid pumps) appears on 41 US grants and 29 published applications in this corpus.
Search patents in F04D- Granted patents
- 41
- Published applications
- 29
- Assignees
- 23
- Inventors
- 82
- Latest grant
- 16 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 6 |
| 2016 | 1 | 4 |
| 2017 | 2 | 1 |
| 2018 | 2 | 0 |
| 2019 | 4 | 3 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Shaft bearing device with a lifting device16 Aug 2022US 11,415,142 B2Sulzer Management AG
- Shaft bearing device with a lifting device27 Apr 2021US 10,989,213 B2Sulzer Management AG
- Shaft sealing structure and primary coolant circulation pump9 Feb 2021US 10,914,382 B2Mitsubishi Heavy Industries, Ltd.
- Electromagnetic cartridge seal6 Oct 2020US 10,794,493 B2Hamilton Sunstrand Corporation
- Methods and apparatuses for pump sealing during leakage events15 Sep 2020US 10,777,329 B2GE-Hitachi Nuclear Energy Americas LLC
- Shaft bearing device with a lifting device15 Jul 2021US 2021/0215164 A1Sulzer Management AG
- Methods and apparatuses for pump sealing during leakage events17 Dec 2020US 2020/0395139 A1GE-Hitachi Nuclear Energy Americas LLC
- Electromagnetic cartridge seal21 Mar 2019US 2019/0090389 A1Hamilton Sundstrand Corporation
- Shaft bearing device with a lifting device28 Feb 2019US 2019/0063449 A1Sulzer Management AG
- Shaft sealing structure and primary coolant circulation pump28 Feb 2019US 2019/0063610 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Drain pump for home appliances35US 7,758,323 B2BSH Bosch und Siemens Hausgeraete GmbH · 2010
- Pump sealing apparatus32US 4,915,579 AA. R. Wilfley & Sons, Inc. · 1990
- Apparatus for delivery of fuel from a storage tank to an internal combustion engine of a vehicle19US 5,058,557 ARobert Bosch GmbH · 1991
- Backup seals in rotary pumps15US 8,690,534 B1Curtiss-Wright Electro-Mechanical Corporation · 2014
- Pump having an internal gas pump13US 5,308,229 APMC Liquiflo Equipment Co., Inc. · 1994