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Howard R Everhart: Multi-beam liquid-drop size/rate detector apparatus. Nydegger & Associates, February 16, 1993: US05186057 (75 worldwide citation)

An apparatus for liquid flow detection especially adapted for use with an IV administration set includes an energy beam emitter device and an energy beam detector device. A drip chamber is connected in flow communication with a fluid reservoir of the IV administration set. Fluid flow is directed thr ...


2
Everhart Howard R: Detecteur a rayons multiples permettant de mesurer le debit dun liquidea partir de gouttelettes, Multi-beam liquid-drop size/rate detector apparatus. Everhart Howard R, BORDEN LADNER GERVAIS, December 16, 1997: CA2080940 (1 worldwide citation)

A passive universally adaptable apparatus for liquid-flow detection. achievingsubstantially improved accuracy and reliability, intended for compatible use in conjunctionwith other appropriate monitoring and responding support system: -such as might beemployed in use with existing intravenous fluid-i ...


3
Everhart Howard R: Multi-beam liquid-drop size/rate detector apparatus.. Everhart Howard R, April 28, 1993: EP0539189-A1

A passive universally adaptable apparatus for liquid-flow detection, suitable for compatible use in conjunction with other appropriate monitoring and responding support system; for example that employed in use with existing intravenous fluid-infusion equipment. The apparatus comprises at least one e ...