F16C 2300/52
Low temperature
Official title: low temperature, e.g. cryogenic temperature
F16C2300/52 (Low temperature) appears on 19 US grants and 19 published applications in this corpus.
Search patents in F16C- Granted patents
- 19
- Published applications
- 19
- Assignees
- 14
- Inventors
- 58
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diesters of polyethylene oxide as lubricant base oils17 Feb 2026US 12,553,006 B2Vantage Santolubes Research LLC
- Wear resistant bearing system2 Dec 2025US 12,486,868 B2Roller Bearing Company of America, Inc.
- Space rolling bearing and space strain wave gearing device15 Jul 2025US 12,359,710 B2Harmonic Drive Systems Inc.
- Drive system29 Apr 2025US 12,287,003 B2Physik Instrumente (Pi) GmbH & Co. KG
- Turbomachine having hybrid bearing structure including magnetic bearing, permanent magnet, and sleeve journal bearing and method of controlling the same20 Feb 2024US 11,905,993 B2Korea Institute of Science and Technology
- Wear resistant bearing system5 Mar 2026US 2026/0063170 A1Roller Bearing Company of America, Inc.
- Cryogenic Expansion Turbine with Magnetic Bearings19 Jun 2025US 2025/0198303 A1
- Cage for rolling bearing and rolling bearing17 Apr 2025US 2025/0122905 A1Ntn Corporation
- Diesters of polyethylene oxide as lubricant base oils13 Mar 2025US 2025/0084338 A1Vantage Santolubes Research LLC
- Space rolling bearing and space strain wave gearing device1 Aug 2024US 2024/0255045 A1Harmonic Drive Systems Inc.
Most cited
By later US patents
- High performance rolling element bearing17US 5,230,570 AUnited Technologies Corporation · 1993
- Cryogenic anti-friction bearing with reinforced inner race9US 4,997,297 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1991
- Bearings with hardened rolling elements and polymeric cages for use submerged in very low temperature fluids8US 6,558,139 B2Chemical Seal & Packing, Inc. · 2003
- Magnetic drive pump having polymeric bearings and encased magnets for pumping very low temperature fluids5US 6,183,219 B2Chemical Seal & Packing, Inc. · 2001
- Resin-made cage and bearing4US 8,113,718 B2Ntn Corporation · 2012