1
Alan A Schneider, Towner B Scheffler: Potentiostat circuit for electrochemical cells. Mine Safety Appliances Company, James G Uber, November 14, 1995: US05466356 (146 worldwide citation)

A simple potentiostat circuit for use in biasing a three-electrode electrochemical cell is described wherein a direct electrical connection is made between the sensing electrode and the reference electrode during normal operation of the cell. Preferably the electrical connection is a resistor. By se ...


2
Zane N Frund: Respirator filter system. Mine Safety Appliances Company, James G Uber, Henry E Bartony Jr, February 3, 1998: US05714126 (119 worldwide citation)

The present invention provides a respirator filter system suitable for filtering toxic agents, including organic vapors, acid gases, formaldehyde, ammonia, and methylamine as well as pesticides, CS and CN tear gases, dusts, mists, fumes and radionuclides from environmental air to be respired by a us ...


3
Thomas Blackwood, Kenneth M Govan, Jacqueline Wilkie, Alaistair M Deacon, Andrew D Grant, Matthew T Stickland: Respiratory protective apparatus. Mine Safety Appliances Company, James G Uber, November 26, 1996: US05577496 (65 worldwide citation)

The present invention relates to a respiratory protective apparatus utilizing a powered filtering device having a housing, with at least one inlet and an outlet, and a pump located between the inlet and the outlet for pumping air therebetween. The powered filtering device has a controller, preferabl ...


4
Gary E Binduga: Adjustable headband with a ratchet mechanism having different resistances. Mine Safety Appliances Company, James G Uber, Henry E Bartony Jr, September 14, 1999: US05950245 (53 worldwide citation)

The present invention provides an adjustable headband for protective headgear with a ratchet mechanism having different resistances. The adjustable headband utilizes a ring gear assembly having a plurality of radially projecting teeth thereon. Each of the projecting teeth of the ring gear assembly h ...


5
James A Hendrickson, Roy D Marangoni, Matthew J Palamara: Devices, systems and methods for generating electricity from gases stored in containers under pressure. Mine Safety Appliances Company, James G Uber, Henry E Bartony Jr, May 15, 2007: US07218009 (43 worldwide citation)

A breathing system includes a container to store a gas under pressure, wherein the gas includes air or oxygen. The container includes an outlet through which the gas exits the container. The breathing system further includes a generator system including a generator in operative connection with the c ...


6
Paul X Freund: Respirator mask with stiffening elements. Mine Safety Appliances Company, James G Uber, Debra M Parrish, January 14, 1997: US05592937 (43 worldwide citation)

The present invention provides a respirator mask having a very soft, compliant facepiece that has several stiffening elements integrated therein. The respirator mask preferably includes an exhalation valve and a pair of filter cartridges. It also has a yolk which complements the facepiece and provid ...


7
Clayton J Bossart, Charles H Etheridge Jr, Craig D Gestler: Flow-controlled sampling pump apparatus. Mine Safety Appliances Company, James G Uber, March 22, 1994: US05295790 (37 worldwide citation)

A portable sampling pump apparatus including a flow control mechanism having a laminar flow meter for providing a precise readout of the volumetric flow rate of the pump as well as feedback control for the pump motor. The pump apparatus includes an electric motor, a pump operably driven by the elect ...


8
James B Miller, Joseph D Jolson: Gas sensor. Mine Safety Appliances Company, James G Uber Esq, Henry E Bartony Jr Esq, February 5, 2002: US06344174 (36 worldwide citation)

A gas sensor for the detection of gases comprises a housing and an active element disposed within the housing. The active element is surrounded by a porous insulating material having a bulk density no greater than 0.15 g/cc. Another gas sensor comprises an active element surrounded by a porous insul ...


9
David Ray O&apos Dell: Lanyard with integral fall arrest energy absorber. Rose Manufacturing Company, James G Uber Esq, Douglas R Hanscom Esq, March 18, 2003: US06533066 (36 worldwide citation)

A shock absorbing lanyard having an integral fall arrest energy absorber formed in a one-piece woven, knitted or braided construction wherein partially oriented yarn (“POY”) fibers and high modulus yarn fibers are combined integrally in one section and are separate in another section in which the hi ...


10
Layton A Wise, James R Tomlinson: Pivot joint for faceshield assembly. Mine Safety Appliances Company, James G Uber, Douglas Hanscom, July 24, 2001: US06264392 (31 worldwide citation)

A faceshield that is securable to a protective helmet or headband having an indexable pivot joint which utilizes an interference fit between an O-ring and radially spaced lug sets. The O-ring is compressed when the crests of the two sets of lugs are radially aligned. This interference holds the face ...