F05C 2201/0406
Chromium
F05C2201/0406 (Chromium) appears on 26 US grants and 24 published applications in this corpus.
Search patents in F05C- Granted patents
- 26
- Published applications
- 24
- Assignees
- 31
- Inventors
- 93
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 0 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compressor4 Aug 2026US 12,698,771 B2Carrier Japan Corporation
- Compressor with chromium nitride and titanium nitride layers13 May 2025US 12,297,832 B2Carrier Japan Corporation
- Pump with wear-resistant barrel and plunger having coating support27 Aug 2019US 10,393,111 B2Caterpillar Inc.
- Pump with plunger having tribological coating6 Mar 2018US 9,909,582 B2Caterpillar Inc.
- Rotary compressor having vane that has diamond-like carbon layer13 Feb 2018US 9,890,786 B2Fujitsu General Limited
- Compressor11 Dec 2025US 2025/0376981 A1Carrier Japan Corporation
- Compressor20 Jun 2024US 2024/0200556 A1Toshiba Carrier Corporation
- Method of designing and producing fiber-reinforced polymer pistons29 Feb 2024US 2024/0066644 A1AWA Forged Composites, LLC
- Method of Designing and Producing Fiber-Reinforced Polymer Pistons17 Feb 2022US 2022/0048146 A1AWA Forged Composites, LLC
- Refrigerant compressor2 Apr 2020US 2020/0102945 A1Nidec Global Appliance Austria GmbH
Most cited
By later US patents
- Corrosion resistant fluid end for well service pumps100US 9,435,333 B2Halliburton Energy Services.Inc. · 2016
- Valve assembly36US 8,287,256 B2Caterpillar Inc. · 2012
- Metal and ceramic assembly26US 4,523,554 AUsui Kokusai Sangyo Kabushiki Kaisha · 1985
- Hardfacing for progressing cavity pump rotors16US 5,498,142 AKudu Industries Inc. · 1996
- Reciprocating fluid pumps with chromium nitride coated components in contact with non-metallic packing and gasket materials for increased seal life11US 6,212,997 B1Nordson Corporation · 2001