Airway valve
Latest NTC Technology, Inc. Patents:
- Multiple function airway adapter
- Apparatus and method for non-invasively measuring cardiac output
- Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
- Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
- Apparatus and method for non-invasively measuring cardiac output
Description
FIG. 1 is a perspective view of an airway valve showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right-hand side view thereof;
FIG. 5 is a left-hand side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
Referenced Cited
U.S. Patent Documents
D267743 | January 25, 1983 | Cunningham et al. |
D276464 | November 20, 1984 | Weigl et al. |
D276465 | November 20, 1984 | Clawson et al. |
D398372 | September 15, 1998 | Barnes |
3643686 | February 1972 | Koegel |
3795257 | March 1974 | Fabish et al. |
3942547 | March 9, 1976 | Pfitzner |
4241756 | December 30, 1980 | Bennett et al. |
4344456 | August 17, 1982 | Hostetler |
4454893 | June 19, 1984 | Orchard |
4699137 | October 13, 1987 | Schroeder |
4712580 | December 15, 1987 | Gilman et al. |
5020532 | June 4, 1991 | Mahoney et al. |
5265596 | November 30, 1993 | Sauze |
5357951 | October 25, 1994 | Ratner |
5503142 | April 2, 1996 | Semeia |
5676136 | October 14, 1997 | Russo |
5678541 | October 21, 1997 | Garraffa |
5746199 | May 5, 1998 | Bayron et al. |
Patent History
Patent number: D424193
Type: Grant
Filed: Oct 15, 1998
Date of Patent: May 2, 2000
Assignee: NTC Technology, Inc. (Wilmington, DE)
Inventors: William J. Wohltmann, Jr. (San Jose, CA), Barry J. Feldman (Cheshire, CT), John R. Nobile (Fairfield, CT), John L. Sandor (North Haven, CT), John A. Triunfo, Jr. (Fairfield, CT)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Erik Watterson
Law Firm: Trask, Britt & Rossa
Application Number: 0/95,090
Type: Grant
Filed: Oct 15, 1998
Date of Patent: May 2, 2000
Assignee: NTC Technology, Inc. (Wilmington, DE)
Inventors: William J. Wohltmann, Jr. (San Jose, CA), Barry J. Feldman (Cheshire, CT), John R. Nobile (Fairfield, CT), John L. Sandor (North Haven, CT), John A. Triunfo, Jr. (Fairfield, CT)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: Erik Watterson
Law Firm: Trask, Britt & Rossa
Application Number: 0/95,090
Classifications
Current U.S. Class:
D24/1106
International Classification: 2902;
International Classification: 2902;