Patent
   D300273
Priority
Mar 16 1987
Filed
Mar 16 1987
Issued
Mar 14 1989
Expiry
Mar 14 2003
Assg.orig
Entity
unknown
21
8
n/a
The ornamental design for a four way respiratory valve with dual balloon, as shown and described.

FIG. 1 is a perspective view of a four way respiratory valve with dual balloon showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image of that shown;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a rear elevational view.

Rudolph, Hans, Rudolph, Kevin A.

Patent Priority Assignee Title
6955650, Aug 02 1999 MICROLIFE MEDICAL HOME SOLUTIONS INC Metabolic calorimeter employing respiratory gas analysis
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D303586, Aug 06 1987 Hans Rudolph, Inc. Three way Y-shaped respiratory valve
D305165, Aug 06 1987 Hans Rudolph, Inc. Two way check respiratory valve
D305814, Mar 21 1986 ALLIED HEALTHCARE PRODUCTS, INC Resuscitator inhalator valve
D306086, Aug 06 1987 Hans Rudolph, Inc. Five way respiratory valve
D478660, Jul 01 2002 MICROLIFE MEDICAL HOME SOLUTIONS INC Disposable mask with sanitation insert for a respiratory analyzer
D519632, Feb 09 2004 Respiratory valve
D634420, Jul 18 2007 ASAHI ORGANIC CHEMICALS INDUSTRY CO , LTD Valve
D653749, Apr 27 2010 Covidien LP Exhalation module filter body
D655405, Apr 27 2010 Covidien LP Filter and valve body for an exhalation module
D655809, Apr 27 2010 Covidien LP Valve body with integral flow meter for an exhalation module
D734854, Oct 29 2013 BEACONMEDAES LLC Medical gas manifold
D760376, Jan 06 2014 Laerdal Medical AS Ventilating bag with safety valve
D797283, Dec 16 2014 FUJIFILM Corporation Endoscope connector
Patent Priority Assignee Title
3643686,
4098290, Dec 02 1976 Miniature intermittent positive pressure breathing valve
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4436090, Jan 22 1979 Piston actuated, pilot valve operated breathing regulator
4489721, Dec 30 1982 The Regents of the University of California Double lumen tube adaptor and valve system for medical anesthesia circuits
4493339, May 05 1982 Parker Intangibles LLC Air valve for a breathing system
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 18 1987RUDOLPH, HANSHANS RUDOLPH, INC , 7200 WYANDOTTE, KANSAS CITY, MO , 64114, A CORP OFASSIGNMENT OF ASSIGNORS INTEREST 0046780788 pdf
Feb 18 1987RUDOLPH, KEVIN A HANS RUDOLPH, INC , 7200 WYANDOTTE, KANSAS CITY, MO , 64114, A CORP OFASSIGNMENT OF ASSIGNORS INTEREST 0046780788 pdf
Mar 16 1987Hans Rudolph Inc.(assignment on the face of the patent)
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