F04C 18/0284
Details of the wrap tips
Official title: {Details of the wrap tips}
F04C18/0284 (Details of the wrap tips) appears on 95 US grants and 89 published applications in this corpus.
Search patents in F04C- Granted patents
- 95
- Published applications
- 89
- Assignees
- 49
- Inventors
- 232
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 2 |
| 2004 | 3 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 4 |
| 2013 | 0 | 4 |
| 2014 | 3 | 7 |
| 2015 | 3 | 5 |
| 2016 | 8 | 8 |
| 2017 | 6 | 3 |
| 2018 | 6 | 6 |
| 2019 | 6 | 13 |
| 2020 | 7 | 4 |
| 2021 | 9 | 3 |
| 2022 | 4 | 6 |
| 2023 | 4 | 3 |
| 2024 | 4 | 4 |
| 2025 | 4 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Scroll device with tip seals and backup seals25 Aug 2026US 12,716,415 B2Air Squared, Inc.
- Scroll compressor11 Aug 2026US 12,704,126 B2Sanden Corporation
- Compressor3 Mar 2026US 12,565,880 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Scroll compressor10 Feb 2026US 12,546,314 B2Sanden Corporation
- Refrigeration system with a scroll machine having a plate inserted in a base of the scroll machine30 Dec 2025US 12,510,073 B2BITZER Kuehlmaschinenbau GmbH
- Scroll fluid machine with elastic member27 Aug 2026US 2026/0251140 A1Anest Iwata Corporation
- Scroll compressor26 Feb 2026US 2026/0055765 A1Sanden Corporation
- Scroll compressor20 Nov 2025US 2025/0354554 A1Sanden Corporation
- Scroll device with tip seals and backup seals17 Jul 2025US 2025/0230812 A1Air Squared, Inc.
- Compressor and a dynamic vortex disk thereof5 Dec 2024US 2024/0401592 A1Robert Bosch GmbH
Most cited
By later US patents
- Scroll compressor having idler cranks and strengthening and heat dissipating ribs48US 5,466,134 AAir Squared, Inc. · 1995
- Wrap element and tip seal for use in fluid apparatus of the scroll type and method for making same38US 4,462,771 AThe Trane Company · 1984
- Scroll compressor having a tip seal38US 5,632,612 AAir Squared, Inc. · 1997
- Scroll compressor with improved tip seal27US 6,074,185 AGeneral Motors Corporation · 2000
- Scroll compressor with reduced separating force between fixed and orbiting scroll members19US 5,873,711 ACarrier Corporation · 1999