F28D 2021/0033
For cryogenic applications
Official title: {for cryogenic applications}
F28D2021/0033 (For cryogenic applications) appears on 140 US grants and 161 published applications in this corpus.
Search patents in F28D- Granted patents
- 140
- Published applications
- 161
- Assignees
- 107
- Inventors
- 416
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 5 |
| 2008 | 1 | 3 |
| 2009 | 0 | 7 |
| 2010 | 3 | 10 |
| 2011 | 5 | 6 |
| 2012 | 4 | 5 |
| 2013 | 1 | 7 |
| 2014 | 5 | 2 |
| 2015 | 1 | 8 |
| 2016 | 1 | 3 |
| 2017 | 1 | 4 |
| 2018 | 2 | 8 |
| 2019 | 4 | 14 |
| 2020 | 3 | 9 |
| 2021 | 8 | 9 |
| 2022 | 9 | 16 |
| 2023 | 9 | 11 |
| 2024 | 7 | 12 |
| 2025 | 12 | 6 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Controllable injection for implementing different local refrigerant distribution6 Oct 2026US 12,753,975 B2Linde Aktiengesellschaft
- Wound heat exchanger and method19 May 2026US 12,631,399 B2Linde Aktiengesellschaft
- Printed circuit-type heat exchanger having integral structure19 May 2026US 12,631,404 B2Doosan Enerbility Co., Ltd.
- Subcooler for carbon dioxide distribution systems12 May 2026US 12,624,903 B2Tomco2 Systems Company
- Cooling unit for cold air generation4 Nov 2025US 12,460,848 B23CON ANLAGENBAU GmbH
- Thermal Switch for a Cryogenic System6 Aug 2026US 2026/0227138 A1Siemens Healthcare GmbH
- Granulated particle for cold storage particles, cold storage particles, regenerator, refrigerator, cryopump, superconducting magnet, nuclear magnetic resonance imaging apparatus, nuclear magnetic resonance apparatus, magnetic field application-type single crystal pulling-out apparatus, and helium recondensing apparatus16 Jul 2026US 2026/0202141 A1Niterra Materials Co., Ltd.
- Heat exchanger material and heat exchanger for cryogenic cooling systems, and a system16 Jul 2026US 2026/0202149 A1Bluefors Oy
- Combined condenser-evaporator9 Jul 2026US 2026/0194271 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Enhanced multi-stage dilution refrigerator with optimized thermal exchange30 Apr 2026US 2026/0118021 A1Maybell Quantum Industries, Inc.
Most cited
By later US patents
- Heat exchanger for a fast cooldown cryostat57US 4,781,033 AAPD Cryogenics, Inc. · 1988
- Heat exchanger with rectification effect51US 3,992,168 AKobe Steel, Ltd. · 1976
- Cryogenic vacuum break thermal coupler with cross-axial actuation49US 8,291,717 B2Massachusetts Institute of Technology · 2012
- Reboiler-condenser with doubly-enhanced plates38US 4,715,433 AAir Products and Chemicals, Inc. · 1987
- Boiling process and a heat exchanger for use in the process37US 5,122,174 AAir Products and Chemicals, Inc. · 1992