1
Adib G Daoud, C Russell Horres Jr, Howard R Everhart: Apparatus for detecting fluid line occlusion. IVAC Corporation, Fulwider Patton Lee & Utecht, April 7, 1992: US05103211 (93 worldwide citation)

An apparatus and method for detecting pressure and occlusion in a fluid line is for use with a fluid line being operated upon by a positive displacement, peristaltic pump having several cam follower fingers pressing against the fluid line fluid through the line peristaltically. A sensor follower fin ...


2
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 ...