B66C 23/88
Safety gear
Official title: Safety gear (for cranes in general B66C15/00; for rope, cable, or chain winding mechanisms B66D1/54)
B66C23/88 (Safety gear) appears on 508 US grants and 529 published applications in this corpus.
Search patents in B66C- Granted patents
- 508
- Published applications
- 529
- Assignees
- 236
- Inventors
- 986
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 15 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 6 |
| 2003 | 6 | 6 |
| 2004 | 2 | 6 |
| 2005 | 2 | 2 |
| 2006 | 6 | 6 |
| 2007 | 2 | 11 |
| 2008 | 6 | 5 |
| 2009 | 3 | 10 |
| 2010 | 10 | 12 |
| 2011 | 4 | 12 |
| 2012 | 5 | 16 |
| 2013 | 4 | 16 |
| 2014 | 15 | 17 |
| 2015 | 21 | 16 |
| 2016 | 12 | 17 |
| 2017 | 11 | 20 |
| 2018 | 19 | 31 |
| 2019 | 25 | 45 |
| 2020 | 48 | 37 |
| 2021 | 34 | 52 |
| 2022 | 31 | 54 |
| 2023 | 27 | 39 |
| 2024 | 48 | 38 |
| 2025 | 43 | 29 |
| 2026 | 21 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stocker and stocker system25 Aug 2026US 12,715,691 B2Semes Co., Ltd.
- Method for generating cargo handling transport path, cargo handling transport crane, and cargo handling transport method18 Aug 2026US 12,709,522 B2Jfe Steel Corporation
- Spreader system, spreader, and method of handling a transport container using a spreader21 Jul 2026US 12,686,597 B2Elme Spreader AB
- System for measuring load on lower boom block yoke of pipelayers30 Jun 2026US 12,668,461 B2Caterpillar Inc.
- Increased stability lifting gear30 Jun 2026US 12,668,463 B2Liebherr-Werk Biberach GmbH
- Method and Construction Machine8 Oct 2026US 2026/0307953 A1Putzmeister Engineering GmbH
- Crane, a vehicle with a crane, a method to operate a crane, and circuitry to determine a use of a crane1 Oct 2026US 2026/0296840 A1Palfinger AG
- Operating a working equipment arrangement by transmitting an instruction1 Oct 2026US 2026/0296841 A1Hiab AB
- Electric Actuation For Crane Pinned Boom1 Oct 2026US 2026/0296847 A1Manitowoc Crane Companies, LLC
- Work vehicle10 Sep 2026US 2026/0265024 A1Tadano Ltd.
Most cited
By later US patents
- Articulated boom monitoring system102US 6,202,013 B1Schwing America, Inc. · 2001
- Leaning control scheme for a fire apparatus63US 10,532,722 B1Oshkosh Corporation · 2020
- Load moment indicator system63US 5,160,055 AJLG Industries, Inc. · 1992
- Crane control means employing load sensing devices57US 4,752,012 AHarnischfeger Corporation · 1988
- Crane operating aid with operator interaction55US 4,178,591 AEaton Corporation · 1979