F04B 2201/1211
Position of the walking beam
F04B2201/1211 (Position of the walking beam) appears on 16 US grants and 18 published applications in this corpus.
Search patents in F04B- Granted patents
- 16
- Published applications
- 18
- Assignees
- 17
- Inventors
- 30
- Latest grant
- 21 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 5 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 3 | 3 |
| 2018 | 2 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and methods for optimizing control of artificial lifting systems21 Feb 2023US 11,585,194 B2
- System and method for evaluating reciprocating downhole pump data using polar coordinate analytics7 Feb 2023US 11,572,772 B2Ravdos Holdings Inc.
- Controller and method of controlling a rod pumping unit8 Jun 2021US 11,028,844 B2Ravdos Holdings Inc.
- Controller and method of controlling a rod pumping unit1 Dec 2020US 10,851,774 B2Ravdos Holdings Inc.
- Method of determining pump fill and adjusting speed of a rod pumping system10 Sep 2019US 10,408,205 B2Schneider Electric Systems Canada Inc.
- Adaptable sucker rod pump controller and system suitable for use with various well topologies17 Sep 2026US 2026/0275981 A1Ravdos Holdings Inc.
- Rapid sucker rod pump downhole dynacard estimation for deviated wells13 Jun 2024US 2024/0191614 A1Sensia LLC
- Method for determining operating properties of a drill-rod borehole pump, and pump system for same18 Apr 2024US 2024/0125316 A1Siemens Energy Austria GmbH
- System and method for evaluating reciprocating downhole pump data using polar coordinate analytics15 Jun 2023US 2023/0184068 A1Ravdos Holdings Inc.
- Sucker rod pump automated control method and system21 Jul 2022US 2022/0228473 A1
Most cited
By later US patents
- Control circuit for shutting off the electrical power to a liquid well pump46US 4,286,925 ADelta-X Corporation · 1981
- System for monitoring oil well performance20US 5,291,777 AIntevep, S. A. · 1994
- Method and apparatus for oil well pumping7US 6,386,322 B1Baldor Electric Company · 2002
- Determination of well pumping system downtime6US 5,064,348 ADelta-X Corporation · 1991
- Solar battery wireless load cell adapter6US 9,983,076 B2Bode Energy Equipment Co., Ltd. · 2018