Sequencing for pipe handling
US-11346164-B2 · May 31, 2022 · US
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Adaptation of rotary draw works to drive rotary tables
Adaptation of rotary draw works to drive rotary tables · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E21B3/06 |
| Official title | Adaptation of rotary draw works to drive rotary tables |
| Display label | Adaptation of rotary draw works to drive rotary tables |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for handling a kelly using a top drive
US-2021079761-A1 · Mar 18, 2021 · US
Sequencing for pipe handling
US-2020284106-A1 · Sep 10, 2020 · US
Sequencing for pipe handling
US-10597954-B2 · Mar 24, 2020 · US
Sequencing for pipe handling
US-2019106950-A1 · Apr 11, 2019 · US