About 22 Trademarks found that are filed by the law firm David B Dickinson

Oil Field Rental Tools, namely, gravel pack tools, namely, sand screen tables, beckets and bails, elevators for wash pipe and pup joints, pup joints, slips and spiders for handling the wash pipe, test heads for tubing and drill pipe, manifolds, handling tongs for gripping screens, wash pipe and other equipment, lift nipples for installing and removing the wash pipe, slotted stripping plates to secure the sand screen, dual pin kill subs for the work string to hold both the wash pipe and sand screen, flow iron baskets for use with tubing conveyed perforating, wash pipe, cross-over subs for connecting the wash pipe to other equipment, gathered together in a package; coiled tubing and through-tubing service equipment, namely, blow out preventers, riser spools made of steel or iron, flanged hang off windows, flanged flow tees, crosses and adapters made of steel or iron, nitrogen cylinder racks, flow iron baskets, triplex pumps, manifolds, mixing tanks, gate valves, multiple lobe positive displacement drilling motors, flow-activated shifting tools, flow-activated bow spring centralizers, flow-activated running and pulling tools, flow-activated sequencing tools, flow-activated releasable overshots, flow-activated multi-shot tubing end locators, flow-activated releasable bulldog spears, flow-activated double-ended selective shifting tools, hydraulic disconnects, repeatable nipple locators, redundant twin flapper check valve subs, flow-activated double action/bi-directional slammer tools, mills, drill bits, burning shoes, weight bars, jars, accelerators, bumper subs, under reamers, circulating junk baskets, ported impression blocks, invertible mechanical packers, tubing cutters, torque-transmitting knuckle joints, shear subs, wash tools, deployment bars, indexing tools, gathered together in a package; pipe recovery and directional drilling services equipment, namely, drill pipe subs for connection to top drive units, drill pipe adapter subs, wireline adapter subs, top entry subs, saver subs, extended saver subs, pump-in sub, locking swivels, T;I;W; valves, pup joints, gathered together in a package; production services and flow control equipment, namely, triplex pumps, small mixing tanks equipped with hydraulic mixers for mixing cement and chemicals, testing tanks equipped with lay down gas busters, large frac tanks equipped with horizontal gas busters, 5-valve choke and cement filter type manifolds, 4- and 5-valve squeeze type manifolds, 3-valve Y type manifolds, 5-valve hydraulic squeeze and choke manifolds with hydraulic control panels, gate valves, chokes, ball valves, butterfly valves, foot valves, flow iron baskets containing loops, swings, straight pipe nipples, unions, double-threaded halves, double-winged halves, flow tees with gauges, manual and hydraulic plug valves, horizontal tank-mountable gas busters with water discharge, high-volume three-stack tank-mountable gas busters, standard-volume three-stack gas busters, well head adapters, crossovers, flanges, spools, test heads, filter units, flow meters, chart recorders, air test pumps, centrifugal pumps, gathered together in a package; wireline and slickline services equipment, namely, grease injector units, lubricator and blow out preventer packages, open hole pressure control packages together with single-sealing element packoffs or dual sealing element packoffs, fishing and strip-over kits for retrieving open hole tools, well head adapters, electrical generators, air compressors, pump down kits, tool baskets, tool racks, slings, overshots, pulling tools, running tools, shifting tools, spears, grabs, wire finders, hydraulic jars, accelerators, bumper subs, spang jars, weight bars, gage rings, broaches, swages, impression blocks, taper taps, sidewall cutters, scrapers, dummies, cased hole fishing kits, wire finders, sold or leased separately or gathered together in a package