F16C 33/6692
Liquids other than oil
Official title: {Liquids other than oil, e.g. water, refrigerants, liquid metal}
F16C33/6692 (Liquids other than oil) appears on 54 US grants and 55 published applications in this corpus.
Search patents in F16C- Granted patents
- 54
- Published applications
- 55
- Assignees
- 40
- Inventors
- 125
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 4 | 0 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 5 |
| 2020 | 4 | 6 |
| 2021 | 6 | 4 |
| 2022 | 4 | 3 |
| 2023 | 4 | 5 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bearing assembly for an electric motor, and electric motor16 Jun 2026US 12,658,758 B2Aktiebolaget Skf
- Rotating electric machine, electric wheel, and vehicle3 Mar 2026US 12,567,779 B2Hitachi, Ltd.
- Compressor14 May 2024US 11,982,285 B2BMTS Technology GmbH & Co. KG
- Bearing assembly5 Dec 2023US 11,835,089 B2Aktiebolaget Skf
- System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller15 Aug 2023US 11,725,859 B2Trane International Inc.
- Bearing system for high speed flight vehicles24 Oct 2024US 2024/0351677 A1Raytheon Company
- Rotating Electric Machine, Electric Wheel, and Vehicle21 Mar 2024US 2024/0097524 A1Hitachi, Ltd.
- Bearing assembly30 Nov 2023US 2023/0383788 A1
- X-ray tube liquid metal bearing structure for reducing trapped gases26 Oct 2023US 2023/0343543 A1GE Precision Healthcare LLC
- Compressor11 May 2023US 2023/0146415 A1BMTS Technology GmbH & Co. KG
Most cited
By later US patents
- Disk drive with actuator pivot bearing having a surface coating inhibiting lubricant migration51US 8,553,366 B1Western Digital Technologies, Inc. · 2013
- Oil-free liquid chiller44US 6,176,092 B1American Standard Inc. · 2001
- Oil-free liquid chiller41US 6,564,560 B2American Standard International Inc. · 2003
- Rotating member supporting apparatus26US 4,634,300 AKabushiki Kaisha Toshiba · 1987
- Oil-free liquid chiller25US 6,279,340 B1American Standard International Inc. · 2001