F04D 29/4286
Inside lining
Official title: {inside lining, e.g. rubber}
F04D29/4286 (Inside lining) appears on 108 US grants and 112 published applications in this corpus.
Search patents in F04D- Granted patents
- 108
- Published applications
- 112
- Assignees
- 76
- Inventors
- 216
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 3 |
| 2004 | 0 | 0 |
| 2005 | 1 | 5 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 4 | 5 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 5 |
| 2012 | 4 | 1 |
| 2013 | 2 | 8 |
| 2014 | 4 | 12 |
| 2015 | 5 | 7 |
| 2016 | 3 | 5 |
| 2017 | 10 | 6 |
| 2018 | 4 | 4 |
| 2019 | 4 | 3 |
| 2020 | 5 | 7 |
| 2021 | 2 | 4 |
| 2022 | 3 | 5 |
| 2023 | 6 | 5 |
| 2024 | 7 | 10 |
| 2025 | 6 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Suction liner and centrifugal pump comprising the same2 Jun 2026US 12,644,470 B2Metso Sweden AB
- Split volute for submersible pump10 Mar 2026US 12,571,408 B2Industrial Flow Solutions Operating, LLC
- Centrifugal pump impeller with tapered shroud13 Jan 2026US 12,523,235 B2Weir Minerals Australia Ltd.
- Pump casing and pump30 Dec 2025US 12,510,081 B2Ebara Corporation
- Grooved side liner for centrifugal pump16 Dec 2025US 12,497,976 B2Weir Minerals Australia Ltd.
- A liner arrangement for a centrifugal pump for processing slurries23 Jul 2026US 2026/0210376 A1Metso Sweden AB
- Submersible Semi-Axial Centrifugal Pump11 Jun 2026US 2026/0160269 A1Xylem Europe GmbH
- Inlet component for a slurry pump12 Feb 2026US 2026/0043416 A1Weir Minerals Australia Ltd.
- Centrifugal Pump Having Wear-Resistant Wear Plate With Scraper Element5 Feb 2026US 2026/0036132 A1KSB SE & Co. KGaA
- Fluid circulator for heating or cooling systems23 Oct 2025US 2025/0327455 A1Taco Italia, S.r.l.
Most cited
By later US patents
- Flow-stabilizing volute pump and liner72US 5,127,800 ABaker Hughes Incorporated · 1992
- Adjustable pump wear plate positioning assembly38US 6,599,086 B22003
- Centrifugal slurry pump32US 4,521,151 AJoy Manufacturing Holdings Limited · 1985
- Reinforced elastomer lining for pump casing and associated method of manufacture32US 5,219,461 ABaker Hughes Incorporated · 1993
- Method of making a pump housing30US 5,344,515 AArgo-Tech Corporation · 1994