Add to ORKGPatent for a new and improved reamer. This design "relates to reamers for use in boring artesian wells and other similar purposes; and it consists, essentially, of a hollow cylindrical body adapted to be attached to a suitable driving-head and provided with peripheral expansion-cutters operated by an internal plunger" (lines 11-17)
Patent for a new and improved post-hole digger. This design is "compris[ed of] an operating handle h...
Patent for a well-drilling apparatus that easily attaches drill-bits to the ends of drill-tubes with...
Patent for a new and improved shaft-holder and wrench. This design "consist[s] of the arms having th...
Patent for a well-drilling apparatus for boring Artesian and other wells. It is meant to "provide si...
Patent for a new and improved artesian-well borer. This design "has for its object to furnish a comb...
Patent for a new and improved well drill. This design "consists in a novel construction of a tool fo...
Patent for a new and improved artesian-well borer. This design "will be actuated by the weight of th...
Patent for an improved and simple apparatus for boring wells that is easily adjustable. The drill he...
Patent for a well-drilling apparatus meant "to provide improved means for adjusting and withdrawing ...
Patent for a new and improved boring machine. This design "consists in the construction and novel ar...
Patent for a new and improved post-hole digger. This design consists in "the combination, with an an...
Patent for "a tool that shall combine the features of an expanding tap and reamer for reaming and ta...
Patent for a new and improved auger. This design consists in "[t]he combination of a shank provided ...
Patent for improvement in pump-drills for boring artesian wells by “combining pump-valves and piston...
Patent for an Artesian or oil well drilling apparatus that has a detachable drill-bit in its tubing ...
Patent for a new and improved post-hole digger. This design is "compris[ed of] an operating handle h...
Patent for a well-drilling apparatus that easily attaches drill-bits to the ends of drill-tubes with...
Patent for a new and improved shaft-holder and wrench. This design "consist[s] of the arms having th...
Patent for a well-drilling apparatus for boring Artesian and other wells. It is meant to "provide si...
Patent for a new and improved artesian-well borer. This design "has for its object to furnish a comb...
Patent for a new and improved well drill. This design "consists in a novel construction of a tool fo...
Patent for a new and improved artesian-well borer. This design "will be actuated by the weight of th...
Patent for an improved and simple apparatus for boring wells that is easily adjustable. The drill he...
Patent for a well-drilling apparatus meant "to provide improved means for adjusting and withdrawing ...
Patent for a new and improved boring machine. This design "consists in the construction and novel ar...
Patent for a new and improved post-hole digger. This design consists in "the combination, with an an...
Patent for "a tool that shall combine the features of an expanding tap and reamer for reaming and ta...
Patent for a new and improved auger. This design consists in "[t]he combination of a shank provided ...
Patent for improvement in pump-drills for boring artesian wells by “combining pump-valves and piston...
Patent for an Artesian or oil well drilling apparatus that has a detachable drill-bit in its tubing ...
Patent for a new and improved post-hole digger. This design is "compris[ed of] an operating handle h...
Patent for a well-drilling apparatus that easily attaches drill-bits to the ends of drill-tubes with...
Patent for a new and improved shaft-holder and wrench. This design "consist[s] of the arms having th...