F04D 29/4273
Suction eyes
Official title: {suction eyes}
F04D29/4273 (Suction eyes) appears on 157 US grants and 128 published applications in this corpus.
Search patents in F04D- Granted patents
- 157
- Published applications
- 128
- Assignees
- 121
- Inventors
- 367
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 2 |
| 2003 | 5 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 2 | 9 |
| 2014 | 7 | 7 |
| 2015 | 1 | 6 |
| 2016 | 4 | 9 |
| 2017 | 8 | 13 |
| 2018 | 7 | 10 |
| 2019 | 11 | 5 |
| 2020 | 9 | 8 |
| 2021 | 6 | 10 |
| 2022 | 8 | 2 |
| 2023 | 5 | 9 |
| 2024 | 10 | 7 |
| 2025 | 4 | 4 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump unit for a centrifugal pump and a centrifugal pump18 Aug 2026US 12,710,049 B2Levitronix LLC
- Suction liner and centrifugal pump comprising the same2 Jun 2026US 12,644,470 B2Metso Sweden AB
- Pressure bushing for a fluid pump and a pump including the pressure bushing30 Dec 2025US 12,510,092 B2Bleckmann GmbH & Co. KG
- Clothing treatment apparatus13 May 2025US 12,297,579 B2LG Electronics Inc.
- Rotary blood pump18 Feb 2025US 12,226,623 B2CardiacAssist, Inc.
- Liquid transfer pump30 Jul 2026US 2026/0218708 A1Zhejiang Ele Smart Technology Co., Ltd.
- Vortex slurry pump23 Jul 2026US 2026/0210362 A1
- Magnetic levitation type pump11 Jun 2026US 2026/0160260 A1Pillar Corporation
- Pump14 May 2026US 2026/0132791 A1Ebara Corporation
- Centrifugal Pump Having Wear-Resistant Wear Plate With Scraper Element5 Feb 2026US 2026/0036132 A1KSB SE & Co. KGaA
Most cited
By later US patents
- Mixed flow pump183US 6,692,318 B2The Penn State Research Foundation · 2004
- Pump system for high pressure application176US 9,829,002 B2Tucson Embedded Systems, Inc. · 2017
- Pump system for high pressure application164US 10,465,689 B2Tucson Embedded Systems, Inc. · 2019
- High speed whirlpool pump121US 5,156,535 AITT Corporation · 1992
- Water treatment and revitalization system and method44US 8,636,910 B2Qwtip LLC · 2014