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Air Shields Inc

Air Shield

Active Patents

0

Total Holdings

19

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3836287A	Wound drainage equipment	Expired / Lapsed	1972-04-06	1974-09-17	7	Details
US3675653A	Wound drainage equipment	Expired / Lapsed	1969-08-15	1972-07-11	12	Details
US3452744A	Blood pressure monitoring apparatus	Expired / Lapsed	1964-11-03	1969-07-01	2	Details
US3323512A	Ultrasonic diagnostic instrument having improved resolution…	Expired / Lapsed	1964-08-03	1967-06-06	2	Details
US3310049A	Ultrasonic cardiac volume measurements	Expired / Lapsed	1963-09-17	1967-03-21	2	Details
US3292018A	Transducers	Expired / Lapsed	1963-09-13	1966-12-13	2	Details
US3280622A	Time to voltage converter for pulseecho ultrasonic system	Expired / Lapsed	1963-04-04	1966-10-25	2	Details
US3267935A	Respiratory assister	Expired / Lapsed	1961-05-04	1966-08-23	2	Details
US3262446A	Resuscitator	Expired / Lapsed	1963-11-18	1966-07-26	0	Details
US3256733A	Ultrasonic pulse-echo apparatus for internal exploration	Expired / Lapsed	1963-02-06	1966-06-21	0	Details
US3256876A	Volume indicator for anesthesia machine system	Expired / Lapsed	1962-03-06	1966-06-21	2	Details
US3167658A	Apparatus for use in sensing the pulse	Expired / Lapsed	1961-07-17	1965-01-26	2	Details
US3137292A	Blood pressure apparatus	Expired / Lapsed	1960-12-09	1964-06-16	2	Details
US3084691A	Aspirator	Expired / Lapsed	1960-11-04	1963-04-09	1	Details
US3046979A	Lung ventilators and control mechanism therefor	Expired / Lapsed	1958-12-05	1962-07-31	0	Details
CA583284A	Atomizer construction	Expired / Lapsed	—	1959-09-15	0	Details
US2904035A	Control apparatus for lung ventilators	Expired / Lapsed	1957-01-29	1959-09-15	0	Details
US2880719A	Lung ventilators and timing devices therefor	Expired / Lapsed	1955-01-31	1959-04-07	0	Details
US2397735A	Coupling device	Expired / Lapsed	1942-04-07	1946-04-02	0	Details