B66C 23/26
For use on building sites
Official title: for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail (with supporting couples provided by walls or buildings B66C23/20; mounted on vehicles B66C23/36; jib constructions B66C23/64)
B66C23/26 (For use on building sites) appears on 232 US grants and 261 published applications in this corpus.
Search patents in B66C- Granted patents
- 232
- Published applications
- 261
- Assignees
- 119
- Inventors
- 485
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 9 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 3 | 0 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 0 | 7 |
| 2010 | 3 | 14 |
| 2011 | 3 | 4 |
| 2012 | 5 | 6 |
| 2013 | 2 | 8 |
| 2014 | 9 | 16 |
| 2015 | 8 | 11 |
| 2016 | 11 | 8 |
| 2017 | 9 | 8 |
| 2018 | 6 | 14 |
| 2019 | 10 | 14 |
| 2020 | 21 | 15 |
| 2021 | 9 | 33 |
| 2022 | 10 | 29 |
| 2023 | 25 | 15 |
| 2024 | 23 | 19 |
| 2025 | 15 | 12 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Top-loading tower crane systems and associated methods21 Apr 2026US 12,606,423 B2National Oilwell Varco, L. P.
- Method of performing service work on a horizontal axis wind turbine21 Apr 2026US 12,607,168 B2Liftra IP Aps
- Energy storage and delivery system with an elevator lift system and method of operating the same10 Mar 2026US 12,571,376 B2Energy Vault, Inc.
- Crane system and method for delivering crane from floor-to-floor of high-rise building under construction3 Feb 2026US 12,540,058 B2
- Upper spreader guide device13 Jan 2026US 12,522,480 B2Kobelco Construction Machinery Co., Ltd.
- Base frame of a mobile hydraulic crane10 Sep 2026US 2026/0265025 A1Tajfun Liv, Proizvodnja In Razvoj D.O.O.
- A Method and an Auxiliary Boom for a Crane System20 Aug 2026US 2026/0242187 A1Liftra IP Aps
- Crane attachment6 Aug 2026US 2026/0225864 A1Kobelco Construction Machinery Co., Ltd.
- Combination crane and methods of use21 May 2026US 2026/0138853 A1Kraniac, Inc.
- Base assembly for a tower mounted crane9 Apr 2026US 2026/0097934 A1Liftra IP Aps
Most cited
By later US patents
- Tower crane59US 3,939,988 AGeneral Crane Industries Limited · 1976
- Articulation for tower crane boom that has a parking position47US 4,529,094 AHarnischfeger Corporation · 1985
- Hoisting device for big loads39US 6,523,320 B2Mammoet Europe B.V. · 2003
- Pumping tower support system and method of use29US 7,748,193 B2Putzmeister America, Inc. · 2010
- Energy storage system and method27US 10,837,429 B2Energy Vault, Inc. · 2020