|
2014
|
Invention
|
Mechanical hydraulic pumping unit with a radiator integrated. The invention corresponds to a mech... |
|
|
Invention
|
Mechanical hydraulic pumping unit with a radiator integrated. The invention relates to a hydrauli... |
|
|
Invention
|
Hydraulic mechanical pumping unit comprising a built-in radiator. The invention relates to a hydr... |
|
|
Invention
|
Check valve with an inertial mass for progressive cavity pumps. The invention concerns a check va... |
|
2013
|
Invention
|
Artificial lifting system with a progressive cavity pump driven by a progressive cavity motor for... |
|
|
Invention
|
Artificial lifting system with a progressive cavity motor in the background, for oil extraction. ... |
|
|
Invention
|
Artificial lifting system with base-mounted progressive cavity motor for extracting hydrocarbons.... |
|
|
Invention
|
Safety braking system for free-falling weights. The invention relates to a safety braking system ... |
|
|
Invention
|
Low-power-consumption mechanical pumping unit including a vertical motor. The invention relates t... |
|
|
Invention
|
Mechanical hydraulic pumping unit with rocking effect. The present invention relates to a hydraul... |
|
|
Invention
|
Hydraulic mechanical pumping unit with rocking effect. The present invention relates to a hydraul... |
|
2011
|
Invention
|
Mechanical pumping hydraulic unit. The present invention relates to an improved mechanical pumpin... |
