F28D 19/048
Bearings
Official title: {Bearings; Driving means}
F28D19/048 (Bearings) appears on 45 US grants and 16 published applications in this corpus.
Search patents in F28D- Granted patents
- 45
- Published applications
- 16
- Assignees
- 30
- Inventors
- 73
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable rotor support and rotary heat exchanger with such support17 Feb 2026US 12,553,567 B2Heatex AB
- Rotary regenerative machine structure12 Nov 2024US 12,140,266 B2Arvos Ljungstrom LLC
- Heat storing and heat transfer systems incorporating a secondary chamber selectively moveable into a primary heat storage member23 May 2023US 11,656,035 B2
- Low profile support structure for a rotary regenerative heat exchanger1 Nov 2022US 11,486,653 B2Arvos Ljungstrom LLC
- Heat exchanger22 Mar 2016US 9,291,402 B2Redring Xpelair Group Ltd.
- Self-defrosting heat exchanger and method of using same27 Mar 2025US 2025/0102248 A1
- Rotary Regenerative Machine Structure8 Aug 2024US 2024/0263732 A1Arvos Ljungstrom LLC
- Adjustable rotor support and rotary heat exchanger with such support30 May 2024US 2024/0175543 A1Heatex AB
- Integral energy recovery ventilator with bypass by rotation for rooftops29 Dec 2022US 2022/0412601 A1Carrier Corporation
- Low profile support structure for a rotary regenerative heat exchanger12 May 2022US 2022/0146208 A1Arvos Ljungstrom LLC
Most cited
By later US patents
- Heat exchanger containing a component capable of discontinuous movement34US 5,259,444 AMasachusetts Institute of Technology · 1993
- One-piece ceramic support housing for a gas turbine with a rotary regenerator24US 3,999,376 AFord Motor Company · 1976
- Seal assembly for rotating shaft24US 5,425,543 A1995
- Rotary regenerative heat exchanger for high temperature applications12US 4,627,485 AThe Air Preheater Company, Inc. · 1986
- Regenerator drive assembly11US 4,082,139 AGeneral Motors Corporation · 1978