F05C 2201/0403
Refractory metals
Official title: Refractory metals, e.g. V, W
F05C2201/0403 (Refractory metals) appears on 94 US grants and 74 published applications in this corpus.
Search patents in F05C- Granted patents
- 94
- Published applications
- 74
- Assignees
- 92
- Inventors
- 278
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 0 |
| 2003 | 4 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 6 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 3 | 1 |
| 2009 | 2 | 6 |
| 2010 | 2 | 6 |
| 2011 | 2 | 3 |
| 2012 | 6 | 1 |
| 2013 | 2 | 5 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 6 |
| 2017 | 2 | 8 |
| 2018 | 4 | 6 |
| 2019 | 3 | 0 |
| 2020 | 5 | 4 |
| 2021 | 0 | 1 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 3 |
| 2025 | 4 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compressor4 Aug 2026US 12,698,771 B2Carrier Japan Corporation
- Cam ring and plate module for vehicle vacuum pumps, and method of manufacturing the same27 May 2025US 12,312,664 B2Hyundai Motor Company
- Compressor with chromium nitride and titanium nitride layers13 May 2025US 12,297,832 B2Carrier Japan Corporation
- Cavitation resistant journal bearing11 Mar 2025US 12,247,617 B2Hamilton Sundstrand Corporation
- Vacuum pump and vacuum pump rotor blade25 Feb 2025US 12,234,828 B2Edwards Japan Limited
- Compressor11 Dec 2025US 2025/0376981 A1Carrier Japan Corporation
- Cam ring and plate module for vehicle vacuum pumps, and method of manufacturing the same7 Aug 2025US 2025/0250659 A1Hyundai Motor Company
- Cam ring and plate module for vehicle vacuum pumps, and method of manufacturing the same17 Apr 2025US 2025/0122601 A1Hyundai Motor Company
- Surface enhancement of a bonding surface in a piezo electric pump/valve3 Apr 2025US 2025/0109742 A1Boston Scientific Scimed, Inc.
- Compressor20 Jun 2024US 2024/0200556 A1Toshiba Carrier Corporation
Most cited
By later US patents
- Linear pump231US 5,924,975 AInternational Business Machines Corporation · 1999
- Corrosion resistant fluid end for well service pumps100US 9,435,333 B2Halliburton Energy Services.Inc. · 2016
- Oscillating centrifugal pump76US 5,405,251 A1995
- Method for producing titanium alloy turbine blades and titanium alloy turbine blades69US 6,127,044 ABoehler Schmiedetechnik Gesellschaft mit beschrankter Haftung & Company Kommandit Gesellschaft · 2000
- Micro-machined device for fluids and method of manufacture60US 6,237,619 B1Westonbridge International Limited · 2001