1
James W Teetzel, Gary M Lemire, Daniel A Desrosiers, Mark A Hansen: Self-contained breathing system. Wilcox, McLane Graf Raulerson & Middleton P A, Scott C Rand, January 19, 2010: US07647927 (23 worldwide citation)

A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a f ...


2
Michael G Flood, Gene C Ardoin: Self-contained breathing system apparatus with automatic back-up. Life Support Technology Corporation, Henderson & Sturm, October 20, 1992: US05156145 (12 worldwide citation)

The self-contained breathing apparatus for use in a noxious or oxygen-deficient atmosphere with redundant first stage pressure reducers and redundant second stage demand regulators which together serve as an automatic by-pass control in the event of a failure in the closed position of a first stage ...


3
James W Teetzel, Gary M Lemire, Daniel A Desrosiers, Mark A Hansen: Self-contained breathing system. Wilcox, McLane Graf Raulerson & Middleton Professional Association, February 14, 2012: US08113198 (11 worldwide citation)

A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a f ...


4
Robert S Kiwak: Air cooler for self-contained breathing system. The Bendix Corporation, W G Christoforo, Bruce L Lamb, February 9, 1982: US04314566 (9 worldwide citation)

A heat exchanger for cooling the recycled air of a self-contained closed loop breathing apparatus having a tank of high pressure breathable gas such as oxygen includes a heat sink located inside the tank, a heat exchange element located outside the tank in the stream of recycled air, and a heat pipe ...


5
James W Teetzel, Gary M Lemire, Daniel A Desrosiers, Mark A Hansen: Self-contained breathing system. Wilcox, McLane Graf Raulerson & Middleton Professional Association, February 10, 2015: US08950401 (1 worldwide citation)

A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a f ...


6
Robert R Hollis, Michael S Hollis, Jack Calvin Holman: Dive computer with free dive mode and wireless data transmission. Pelagic Pressure Systems, KPPB, August 15, 2017: US09733227 (1 worldwide citation)

A dive computer with a free dive mode and/or wireless data transmission capabilities. In one embodiment the invention relates to a diving apparatus including a dive computer having a free dive mode, where the dive computer is configured to calculate a nitrogen loading in the free dive mode using a d ...


7
James W Teetzel, Travis S Mitchell: Push to talk system with wireless interface. Wilcox, McLane Middleton Professional Association, June 6, 2017: US09674676 (1 worldwide citation)

A communication system includes a headset including a microphone and an audio speaker installed on the headset, the headset including an RF transceiver configured to perform wireless communication with a two-way radio having a push-to-talk communication channel. The RF transceiver is further configu ...


8
James W Teetzel, Gary M Lemire, Daniel A Desrosiers, Mark A Hansen: Self-contained breathing system. Patriot Life Support, McLane Middleton Professional Association, November 20, 2018: US10130831

A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a f ...


9
James W Teetzel, Travis S Mitchell: Push to talk system with wireless interface. Wilcox, McLane Middleton Professional Association, May 1, 2018: US09961517

A communication system includes a headset including a microphone and an audio speaker installed on the headset, the headset including an RF transceiver configured to perform wireless communication with a two-way radio having a push-to-talk communication channel. The RF transceiver is further configu ...


10
James W Teetzel, Gary M Lemire, Daniel A Desrosiers, Mark A Hansen: Self-contained breathing system. Scott C Rand Esq, Mclane Graf Raulerson & Middleton Pa, October 11, 2007: US20070235030-A1

A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a f ...