7 Heavy duty oil and gas well stimulation equipment in the nature of equipment for hydraulic fracturing operations of oil or gas wells, namely, high-pressure, high hydraulic horsepower, fracturing pumps for use in heavy duty oil or gas well hydraulic fracturing operations; oil and gas well equipment for hydraulic fracturing of oil and gas wells, namely, a mobile oil and gas well stimulation system primarily comprised of an engine not for land vehicles, a transmission for machines, and an oil drain pump and also comprised of fluid ends, a trailer, and an engine controller, to supply fracturing fluid to oil and gas wells
Trademark: 90362978
