1
James T Dexter: Scuba tank harness. Under Sea, Flam & Flam, January 12, 1982: US04310110 (51 worldwide citation)

Affixed to the back plate on opposite sides of a tank seat are brackets providing loops for detachable connection to hooks. An inelastic fabric web, such as of woven nylon, adjustably threads around a buckle bar on one hook, and returns along the inside of the web for firm attachment by hook and mes ...


2
Christianson Raymond A: Balanced regulator second stage. Under Sea, Flam and Flam, January 8, 1974: US3783891 (30 worldwide citation)

A balanced demand valve for use as the regulator second stage of a self contained underwater breathing apparatus. The device includes a primary valve which control the flow of breathable gas from a supply conduit inlet to a mouthpiece outlet chamber. The primary valve operates in response to the pre ...


3
Koehn James P, Bethune Edwin M: Vest inflation/exhaust valve assembly. Under Sea, April 17, 1973: US3727250 (25 worldwide citation)

An underwater buoyancy device such as a safety vest includes an air chamber and a tube communicating from the chamber to an inflation/exhaust valve assembly. The valve assembly facilitates vest inflation from a scuba supply tank or exhaustion to vent the air chamber or to permit breathing of air fro ...


4
Moon Y Choi: Snorkeling vest. Under Sea, Leonard Tachner, March 22, 1994: US05295765 (24 worldwide citation)

A vest of the type having an inflatable bladder providing selectable degrees of buoyancy, such as for snorkeling. The vest comprises an elastic upper body garment for encircling the chest and back of the user and an airtight inflatable bladder, secured at discrete locations to the chest-covering reg ...


5
Joseph N Schuch: Diving snorkel. Under Sea, Flam & Flam, July 14, 1981: US04278080 (23 worldwide citation)

A diving snorkel is provided with a purge valve located in a branch or bypass conduit. The branch conduit connects with the main snorkel conduit at a place remote from the mouthpiece. When the diver resumes a snorkel attitude after the snorkel has been filled with water, the purge valve allows water ...


6
Douglas J Toth: Integral buoyancy and ballast system for scuba divers. Under Sea, Leonard Tachner, December 19, 1989: US04887932 (22 worldwide citation)

An integral floatation or buoyancy compensating device and weight assemblies for divers. The buoyancy compensating device provides an integral back pack which is used to support the air tank of a conventional scuba diving type. At least one and preferably two quick release weights are mechanically a ...


7
Moon Y Choi: Splash-guard for snorkel tubes. Under Sea, Leonard Flam & Flam Tachner, April 11, 1995: US05404872 (21 worldwide citation)

A snorkel top device which may be readily added to an existing snorkel tube for preventing the inadvertent entry of splash water into the top of the tube by providing a flap which tends to deflect splash water so that it exits the snorkel top device without entering the tube attached thereto. The mo ...


8
Fred Flam, Dennis L Hart: Power deflator mechanism for scuba buoyancy vests. Under Sea, Flam & Flam, September 6, 1977: US04045835 (19 worldwide citation)

A power deflator for a buoyancy vest includes a Venturi tube attached to the vest fitting. A mouthpiece control unit has an actuator movable in a path. Initial movement opens a conduit for slow deflection powered by ambient pressure. Continued movement of the actuator sends pressurized air through t ...


9
Douglas J Toth: Diaphragm assembly for scuba diving regulator. Under Sea, Flam & Flam, April 2, 1985: US04508118 (19 worldwide citation)

A diaphragm for a scuba diving regulator incorporates a contact member in the form of an axially thin spool cast or fabricated of low friction material. The contact member is installed at a central aperture of the diaphragm so that the end plates or flanges of the spool closely encompass the diaphra ...


10
Bonin Jr Richard J: Snorkel. Under Sea, September 7, 1971: US3603306 (18 worldwide citation)

The improved snorkel (FIGS. 1-4) in contrast to the prior art snorkel (FIG. 5) is shaped and designed to fit closely to the face of the wearer whereby viscous drag is minimized. Unnecessary curves in the snorkel tube are eliminated whereby minimum resistance is encountered to water being purged from ...