F04C 2270/16
Wear
F04C2270/16 (Wear) appears on 68 US grants and 90 published applications in this corpus.
Search patents in F04C- Granted patents
- 68
- Published applications
- 90
- Assignees
- 63
- Inventors
- 191
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 8 |
| 2011 | 2 | 4 |
| 2012 | 1 | 4 |
| 2013 | 6 | 4 |
| 2014 | 3 | 8 |
| 2015 | 2 | 5 |
| 2016 | 3 | 3 |
| 2017 | 6 | 3 |
| 2018 | 5 | 7 |
| 2019 | 5 | 3 |
| 2020 | 2 | 4 |
| 2021 | 3 | 3 |
| 2022 | 6 | 7 |
| 2023 | 4 | 8 |
| 2024 | 8 | 4 |
| 2025 | 4 | 4 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compressor and air conditioner8 Sep 2026US 12,729,685 B2Gree Electric Appliances, Inc. of Zhuhai
- Diagnostic checks of a gear pump in a fluid system25 Aug 2026US 12,716,414 B2Project Phoenix, LLC
- Control device for hydraulic control valve28 Apr 2026US 12,612,912 B2Hitachi Astemo, Ltd.
- Pump for conveying a fluid4 Nov 2025US 12,460,634 B2Vogelsang GmbH & Co. KG
- Rotary compressor27 May 2025US 12,313,073 B2LG Electronics Inc.
- Predicting tip seal wear in scroll pump23 Jul 2026US 2026/0210358 A1Agilent Technologies, Inc.
- Determining tip seal maintenance requirement in scroll pump23 Jul 2026US 2026/0210359 A1Agilent Technologies, Inc.
- Hig outer rotor shadow pockets21 May 2026US 2026/0139670 A1Hanon Systems EFP Canada Ltd.
- Adjustable pump for pumping a liquid food product19 Mar 2026US 2026/0078755 A1Tetra Laval Holdings & Finance S. A.
- Rotary vane pump vane wear detection26 Feb 2026US 2026/0055763 A1Goodrich Corporation
Most cited
By later US patents
- Anti-wear coatings for scroll compressor wear surfaces43US 9,605,677 B2Emerson Climate Technologies, Inc. · 2017
- Components for compressors having electroless coatings on wear surfaces16US 9,885,347 B2Emerson Climate Technologies, Inc. · 2018
- Pump integrated with two independently driven prime movers15US 9,228,586 B2Project Phoenix, LLC · 2016
- Rotary engine with housing having silicon carbide plate8US 11,613,995 B2Pratt & Whitney Canada Corp. · 2023
- Gear pump7US 8,821,140 B22014