B66C 23/163
Where only part of the column rotates, i.e. at least the bottom
Official title: {where only part of the column rotates, i.e. at least the bottom part is fixed}
B66C23/163 (Where only part of the column rotates, i.e. at least the bottom) appears on 14 US grants and 15 published applications in this corpus.
Search patents in B66C- Granted patents
- 14
- Published applications
- 15
- Assignees
- 11
- Inventors
- 34
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 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 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 3 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Portable crane formed of composite members12 Oct 2021US 11,142,436 B1OZ Lifting Products, LLC
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- Loader with boom swing control system8 Dec 2020US 10,858,224 B2Logging Equipment Mfg. Co., Inc.
- Rotating Kingpost Crane With Load Equalizing Bearing1 Jan 2026US 2026/0001746 A1
- A crane1 Aug 2024US 2024/0253954 A1Seaonics AS
- Davit8 Feb 2024US 2024/0043249 A1Safetylink Pty Ltd
- Method and apparatus for operating a crane24 Aug 2023US 2023/0264929 A1Kundel Industries, Inc.
- Method and apparatus for operating a slew bearing24 Aug 2023US 2023/0264930 A1Kundel Industries, Inc.
Most cited
By later US patents
- Portable crane formed of composite members29US 9,630,816 B1OZ Lifting Products, LLC · 2017
- Balanced lifting crane25US 5,203,837 A1993
- Shaft travel devices such as vertical lift arm devices15US 5,160,238 AHermco · 1992
- Piñata pole support assembly14US 9,345,941 B12016
- Portable gantry crane formed of composite members3US 10,577,227 B1OZ Lifting Products, LLC · 2020