B66D 3/003
Portable or mobile lifting or hauling appliances: using two or more cooperating
Official title: {using two or more cooperating endless chains}
B66D3/003 (Portable or mobile lifting or hauling appliances: using two or more cooperating) appears on 37 US grants and 22 published applications in this corpus.
Search patents in B66D- Granted patents
- 37
- Published applications
- 22
- Assignees
- 28
- Inventors
- 69
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 3 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 0 | 2 |
| 2016 | 3 | 3 |
| 2017 | 3 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Winch slide-out trailer undercarriage9 Jul 2024US 12,030,563 B1
- Monitoring squeeze pressure of track tensioners19 Dec 2023US 11,846,369 B2Subsea 7 do Brasil Servicos Ltda
- Jointed pipe injector trigger mechanism6 Dec 2022US 11,519,228 B2Automated Rig Technologies Ltd.
- Gripper assembly for a coiled tubing injector15 Mar 2022US 11,274,505 B2EnQuest Energy Solutions, LLC
- Passive rotating jointed tubular injector3 Aug 2021US 11,078,735 B2Automated Rig Technologies Ltd.
- Monitoring Squeeze Pressure of Track Tensioners30 Jun 2022US 2022/0205558 A1Subsea 7 do Brasil Servicos Ltda
- Jointed pipe injector trigger mechanism11 Nov 2021US 2021/0348456 A1Automated Rig Technologies Ltd.
- Gripper assembly for a coiled tubing injector26 Aug 2021US 2021/0262299 A1EnQuest Energy Solutions, LLC
- Passive rotating jointed tubular injector9 Jul 2020US 2020/0217154 A1Automated Rig Technologies Ltd.
- Wire Back Tension Device3 Jan 2019US 2019/0002249 A1National Oilwell Varco Norway AS
Most cited
By later US patents
- Cable pulling/feeding apparatus56US 4,508,251 ANippon Telegraph & Telephone Public Corporation · 1985
- Coiled tubing handling apparatus50US 5,775,417 A1998
- Cable feeding apparatus46US 5,813,658 AArnco Corporation · 1998
- Coiled tubing injector with improved traction29US 6,216,780 B1Hydra-Rig, Inc. · 2001
- Multiple contour coiled tubing gripper block29US 6,230,955 B1Halliburton Energy Services.Inc. · 2001