F04C 2240/10
Stators
F04C2240/10 (Stators) appears on 206 US grants and 261 published applications in this corpus.
Search patents in F04C- Granted patents
- 206
- Published applications
- 261
- Assignees
- 136
- Inventors
- 556
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 3 | 4 |
| 2005 | 4 | 8 |
| 2006 | 2 | 2 |
| 2007 | 3 | 3 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 4 | 5 |
| 2011 | 2 | 2 |
| 2012 | 2 | 9 |
| 2013 | 2 | 1 |
| 2014 | 4 | 8 |
| 2015 | 5 | 3 |
| 2016 | 6 | 12 |
| 2017 | 5 | 22 |
| 2018 | 13 | 24 |
| 2019 | 13 | 25 |
| 2020 | 17 | 19 |
| 2021 | 16 | 30 |
| 2022 | 30 | 25 |
| 2023 | 27 | 16 |
| 2024 | 17 | 17 |
| 2025 | 23 | 12 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Submersible pumping systems with intake modules having tangential fluid intake ports2 Jun 2026US 12,644,364 B2Baker Hughes Oilfield Operations LLC
- Valve for rotary fluid displacement assembly and rotary fluid displacement assembly comprising same3 Feb 2026US 12,540,618 B2Torad, Inc.
- Rotary gear pump with a centered drive gear30 Dec 2025US 12,510,071 B2Advancing Pump Technology Corp.
- Single sliding vane rotary displacement pump23 Dec 2025US 12,503,942 B1Ace Machine Design Inc.
- Rotary compressor16 Dec 2025US 12,497,964 B2Rechi Precision Co., Ltd.
- Metal felt and brush structures as sealing elements in metal-metal mud motors10 Sep 2026US 2026/0266284 A1Baker Hughes Oilfield Operations LLC
- Pump stator tie-layer with surface roughness20 Aug 2026US 2026/0243253 A1Schlumberger Technology Corporation
- Stator with non-uniform thickness for one-to-two lobe ratio pumps6 Aug 2026US 2026/0226894 A1Schlumberger Technology Corporation
- Valve For Rotary Fluid Displacement Assembly And Rotary Fluid Displacement Assembly Comprising Same14 May 2026US 2026/0132790 A1Torad, Inc.
- Eccentric screw pump9 Apr 2026US 2026/0098535 A1NETZSCH Pumpen & Systeme GmbH
Most cited
By later US patents
- Sound reduced rotary vane compressor27US 7,189,068 B2Gast Manufacturing, Inc. · 2007
- Supercharged radial vane rotary device17US 6,772,728 B22004
- Pump for dispensing liquid or semi-liquid or semi-solid food products and machine comprising said pump14US 10,570,897 B2Ali Group S.R.L. · 2020
- Radial vane rotary device and method of vane actuation14US 6,659,067 B12003
- Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit14US 6,974,314 B2Sanyo Electric Co., Ltd. · 2005