B65H 75/4468
Tubular frame
Official title: {Tubular frame}
B65H75/4468 (Tubular frame) appears on 28 US grants and 36 published applications in this corpus.
Search patents in B65H- Granted patents
- 28
- Published applications
- 36
- Assignees
- 19
- Inventors
- 68
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 4 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 3 | 5 |
| 2018 | 3 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 3 |
| 2022 | 0 | 0 |
| 2023 | 2 | 3 |
| 2024 | 1 | 0 |
| 2025 | 2 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drain cleaning device14 Jul 2026US 12,678,837 B2Milwaukee Electric Tool Corporation
- Self-winding hose reels for pressure washers17 Jun 2025US 12,330,182 B2Duro Industries, LLC
- Hose reel accumulator drum13 May 2025US 12,297,071 B2Droplet IP Holdings, LLC
- Drill-powered drip tape winder and method of use2 Jul 2024US 12,024,397 B2
- Cable drum for supplying energy to an electrically powered utility vehicle28 Feb 2023US 11,590,853 B2Deere & Company
- Drain cleaning device8 Oct 2026US 2026/0307116 A1Milwaukee Electric Tool Corporation
- Portable wire winding system26 Mar 2026US 2026/0084197 A1
- Self-winding hose reels for pressure washers21 Aug 2025US 2025/0263268 A1Duro Industries, LLC
- Hose reel accumulator drum31 Jul 2025US 2025/0243036 A1Droplet IP Holdings, LLC
- Self-winding hose reels for pressure washers13 Mar 2025US 2025/0083162 A1Duro Industries, LLC
Most cited
By later US patents
- Tube winder structure25US 6,457,669 B1Chin How Taiwan Inc. · 2002
- Apparatus with wire cart for moving, storing and dispensing spooled material24US 8,403,345 B2Michael Angelo Designs, LLC · 2013
- Apparatus for moving and dispensing spooled material23US 8,616,485 B2Michael Angelo Designs, LLC · 2013
- Hose reel17US 8,403,250 B12013
- Water operated device for winding and/or unwinding a length of flexible material about a spool15US 6,752,342 B1Hydro-Industries Tynet Ltd. · 2004