B65H 75/4478
Relating to handling of fluids
Official title: {relating to handling of fluids}
B65H75/4478 (Relating to handling of fluids) appears on 181 US grants and 151 published applications in this corpus.
Search patents in B65H- Granted patents
- 181
- Published applications
- 151
- Assignees
- 92
- Inventors
- 293
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 4 | 4 |
| 2004 | 5 | 1 |
| 2005 | 3 | 5 |
| 2006 | 2 | 3 |
| 2007 | 2 | 4 |
| 2008 | 3 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 5 |
| 2012 | 4 | 8 |
| 2013 | 4 | 7 |
| 2014 | 6 | 11 |
| 2015 | 7 | 5 |
| 2016 | 8 | 4 |
| 2017 | 9 | 6 |
| 2018 | 2 | 11 |
| 2019 | 14 | 14 |
| 2020 | 14 | 10 |
| 2021 | 14 | 10 |
| 2022 | 5 | 8 |
| 2023 | 12 | 8 |
| 2024 | 5 | 9 |
| 2025 | 6 | 9 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Oxygen tube apparatus19 May 2026US 12,630,389 B2
- Oxygen tubing retraction and storage apparatus21 Apr 2026US 12,606,412 B2Reel Free Corporation
- Hose guide for hose reel31 Mar 2026US 12,589,970 B2Nickolas Brands, LLC
- Hose rotator9 Jul 2026US 2026/0194170 A1Gammon Technical Products, Inc.
- Rotary joint for hose reel devices7 May 2026US 2026/0126139 A1Ramex S.R.L.
- Storage mechanism for air duct hose of hair grooming device5 Mar 2026US 2026/0062253 A1Shenzhen Petaboo Technology Co., Ltd.
- Marine oil hose reel26 Feb 2026US 2026/0054958 A1Wuhan University of Technology
- Oxygen Tube Apparatus27 Nov 2025US 2025/0361117 A1
Most cited
By later US patents
- Apparatus and methods for providing natural gas to multiple engines disposed upon multiple carriers166US 9,187,982 B2Baker Hughes Incorporated · 2015
- Hose storage apparatus78US 4,512,361 ASuncast Corporation · 1985
- Portable hose cart and method of use56US 4,777,976 ASuncast Corporation · 1988
- Aerial refueling system43US 5,141,178 AWhittaker Controls, Inc. · 1992
- Industrial hose cart37US 5,758,685 ASuncast Corporation · 1998