Add to ORKGPatent for an inexpensive, simple, and effective pump that can be easily cleaned, but stays relatively clean
Patent for a new and improved pump and motor. This design "is to produce a simple apparatus which ma...
Patent for improvements in garden-pumps: "a garden-pump with attachments for sprinkling liquid poiso...
Patent for a washing machine so it can "provide a simple and improved device of this character, whic...
Patent for "a pump that is simple, durable, and efiicient, which can be manufactured at a comparativ...
Patent for a simple, efficient, and low maintenance submerged rotary pump, including illustration
Patent for a new and improved water pump operating system. The patent includes an illustration and i...
Patent for improvement to a pump "adapted for attachment to small vessels containing oil, water or a...
Patent for an improved ejector pump that operates using air or steam pressure, and pumps water any h...
Patent for a pump-strainer that cleans and separates water or other liquid that is drawn from wells ...
Patent for a pumping apparatus that has "certain improvements in that class of pumps known as ejecto...
Patent for a practical, simple, and efficient washing machine that cleans soiled fabrics with the mi...
A project submitted to the faculty of the California Maritime Academy in partial fulfillment of the ...
Patent for a new and improved pump. This design is "to provide a novel, simple, and efficient double...
Patent for a hydraulic pump with "means for automatically supplying water to the pressure-pipe while...
Patent for "the construction and arrangement of a pump used in ice-machines for liquefying [sic] the...
Patent for a new and improved pump and motor. This design "is to produce a simple apparatus which ma...
Patent for improvements in garden-pumps: "a garden-pump with attachments for sprinkling liquid poiso...
Patent for a washing machine so it can "provide a simple and improved device of this character, whic...
Patent for "a pump that is simple, durable, and efiicient, which can be manufactured at a comparativ...
Patent for a simple, efficient, and low maintenance submerged rotary pump, including illustration
Patent for a new and improved water pump operating system. The patent includes an illustration and i...
Patent for improvement to a pump "adapted for attachment to small vessels containing oil, water or a...
Patent for an improved ejector pump that operates using air or steam pressure, and pumps water any h...
Patent for a pump-strainer that cleans and separates water or other liquid that is drawn from wells ...
Patent for a pumping apparatus that has "certain improvements in that class of pumps known as ejecto...
Patent for a practical, simple, and efficient washing machine that cleans soiled fabrics with the mi...
A project submitted to the faculty of the California Maritime Academy in partial fulfillment of the ...
Patent for a new and improved pump. This design is "to provide a novel, simple, and efficient double...
Patent for a hydraulic pump with "means for automatically supplying water to the pressure-pipe while...
Patent for "the construction and arrangement of a pump used in ice-machines for liquefying [sic] the...
Patent for a new and improved pump and motor. This design "is to produce a simple apparatus which ma...
Patent for improvements in garden-pumps: "a garden-pump with attachments for sprinkling liquid poiso...
Patent for a washing machine so it can "provide a simple and improved device of this character, whic...