F05C 2203/0826
Of wolfram
Official title: of wolfram, e.g. tungsten carbide
F05C2203/0826 (Of wolfram) appears on 16 US grants and 10 published applications in this corpus.
Search patents in F05C- Granted patents
- 16
- Published applications
- 10
- Assignees
- 18
- Inventors
- 39
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Housing assembly for rotary engine6 May 2025US 12,291,991 B1Pratt & Whitney Canada Corp.
- Refrigerant compressor and refrigerating cycle device19 Nov 2013US 8,585,385 B2Toshiba Carrier Corporation
- Centrifugal pump for slurries17 Sep 2013US 8,535,000 B2Syncrude Canada Ltd.
- High-pressure pump for supplying fuel to an internal-combustion engine3 Sep 2013US 8,523,534 B2Robert Bosch GmbH
- Valve assembly16 Oct 2012US 8,287,256 B2Caterpillar Inc.
- Coatings for reducing wear on rod pump components19 Apr 2018US 2018/0106250 A1General Electric Company
- Coatings for reducing wear on rod pump components15 Jun 2017US 2017/0167483 A1General Electric Company
- Refrigerant compressor and refrigerating cycle device3 Mar 2011US 2011/0052439 A1Toshiba Carrier Corporation
- Centrifugal pump for slurries28 Oct 2010US 2010/0272563 A1SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project
- Compressor7 Oct 2010US 2010/0255343 A1
Most cited
By later US patents
- High pressure pump99US 5,924,853 AButterworth Jetting Systems, Inc. · 1999
- Planocentric drive mechanism50US 5,211,611 AAmerican Power Equipment Company · 1993
- Downthrust pads for submersible centrifugal pumps44US 6,106,224 ACamco International Inc. · 2000
- Valve assembly36US 8,287,256 B2Caterpillar Inc. · 2012
- Submersible canned motor transfer pump32US 5,659,214 AWestinghouse Electric Corp. · 1997