E21B 19/15
Racking of rods in horizontal position
Official title: Racking of rods in horizontal position; Handling between horizontal and vertical position
E21B19/15 (Racking of rods in horizontal position) appears on 648 US grants and 570 published applications in this corpus.
Search patents in E21B- Granted patents
- 648
- Published applications
- 570
- Assignees
- 256
- Inventors
- 956
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 12 | 0 |
| 1978 | 11 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 10 | 1 |
| 2002 | 10 | 4 |
| 2003 | 10 | 10 |
| 2004 | 7 | 8 |
| 2005 | 7 | 9 |
| 2006 | 8 | 13 |
| 2007 | 4 | 12 |
| 2008 | 3 | 10 |
| 2009 | 9 | 17 |
| 2010 | 12 | 20 |
| 2011 | 13 | 18 |
| 2012 | 18 | 17 |
| 2013 | 22 | 51 |
| 2014 | 26 | 33 |
| 2015 | 37 | 29 |
| 2016 | 39 | 37 |
| 2017 | 30 | 27 |
| 2018 | 35 | 33 |
| 2019 | 28 | 46 |
| 2020 | 47 | 40 |
| 2021 | 38 | 42 |
| 2022 | 38 | 26 |
| 2023 | 28 | 23 |
| 2024 | 19 | 13 |
| 2025 | 22 | 13 |
| 2026 | 13 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rod handling system for a drilling rig6 Oct 2026US 12,753,663 B2Tribe Tech UK Ltd
- Methods and systems for earth drilling6 Oct 2026US 12,753,664 B2Mhwirth AS
- Tubular handling apparatus and methods1 Sep 2026US 12,723,475 B2Helmerich & Payne, Inc.
- Automated drilling arrangement1 Sep 2026US 12,723,476 B2
- Automated tripping operation using data acquisition device with encoders for performing multi-dimensional data acquisition in a well system16 Jun 2026US 12,655,742 B1Halliburton Energy Services.Inc.
- A rod handling apparatus and a method for handling drill rods8 Oct 2026US 2026/0308991 A1Epiroc Rock Drills Aktiebolag
- Pipe loader apparatus8 Oct 2026US 2026/0308992 A1The Charles Machine Works, Inc.
- A rod handling device24 Sep 2026US 2026/0286791 A1Epiroc Rock Drills Aktiebolag
- Drill rod loader for drilling machines24 Sep 2026US 2026/0286792 A1Comacchio S.R.L.
- Horizontal directional drilling system with drill string breakout monitoring10 Sep 2026US 2026/0266146 A1Vermeer Manufacturing Company
Most cited
By later US patents
- System for handling tubulars on a rig168US 10,995,564 B2National Oilwell Varco, L. P. · 2021
- Top drive torque restraint system154US 5,107,940 AHydratech · 1992
- Tubular handling system118US 6,220,807 B1Dreco Energy Services Ltd. · 2001
- Method and apparatus for rotary power driven swivel drilling113US 4,832,552 A1989
- Pipe moving apparatus and method103US 4,834,604 ALee C. Moore Corporation · 1989