F15B 21/048
Arrangements for compressed air preparation
Official title: Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
F15B21/048 (Arrangements for compressed air preparation) appears on 103 US grants and 120 published applications in this corpus.
Search patents in F15B- Granted patents
- 103
- Published applications
- 120
- Assignees
- 67
- Inventors
- 227
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 3 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 3 |
| 2008 | 3 | 5 |
| 2009 | 3 | 1 |
| 2010 | 1 | 5 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 3 |
| 2014 | 2 | 7 |
| 2015 | 4 | 3 |
| 2016 | 3 | 3 |
| 2017 | 5 | 8 |
| 2018 | 2 | 4 |
| 2019 | 9 | 10 |
| 2020 | 10 | 7 |
| 2021 | 1 | 9 |
| 2022 | 7 | 9 |
| 2023 | 5 | 3 |
| 2024 | 6 | 8 |
| 2025 | 8 | 7 |
| 2026 | 2 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of operating a compressed air system, computer program, computer-readable medium, control arrangement, compressed air system, and vehicle25 Aug 2026US 12,715,414 B2Scania CV AB
- Air supply unit16 Jun 2026US 12,654,668 B2Kh Automotive Technologies Co., Ltd.
- Twin chamber air dryer and pneumatic system18 Nov 2025US 12,473,936 B2Zf Cv Systems Europe BV
- Advanced hydraulic accumulator autostart4 Nov 2025US 12,460,660 B2GJR Meyer Service, Inc.
- Pneumatic supply device for an agricultural tractor4 Nov 2025US 12,460,661 B2Deere & Company
- Pneumatic automation device, maintenance assembly, pneumatic system, and method17 Sep 2026US 2026/0276012 A1Festo AG & Co.
- Twin chamber air dryer for a pneumatic system of a commercial vehicle13 Aug 2026US 2026/0235145 A1Zf Cv Systems Europe BV
- Air supply installation, vehicle system, motor vehicle and method for supplying an air consumer25 Jun 2026US 2026/0175638 A1Zf Cv Systems Europe BV
- Control method for a compressed air supply system, control device, and vehicle4 Jun 2026US 2026/0152137 A1Zf Cv Systems Europe BV
- Compressed air supply unit, compressed air supply system, vehicle, and operating method4 Jun 2026US 2026/0153104 A1Zf Cv Systems Europe BV
Most cited
By later US patents
- Separable connector for pressure fluid components45US 5,383,689 AWilkerson Corporation · 1995
- Connecting devices30US 5,372,392 ANorgren Limited · 1994
- Three-unit assembly for pneumatic circuit26US 4,533,020 AShoketsu Kinzoku Kogyo Kabushiki Kaisha · 1985
- Air dryer reservoir module components26US 6,074,462 AAlliedSignal Truck Brake Systems Co. · 2000
- Air dryer reservoir module components25US 6,585,806 B2Bendix Commercial Vehicle Systems LLC · 2003