2017
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Invention
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Air cylinder cart with manifold for supplying one or two control panels. A gas cylinder ca... |
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Invention
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Air cylinder cart with manifold for supplying one or two control panels. A gas cylinder cart incl... |
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Invention
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Duct canister and axial fan.
A duct canister for attachment to an axial fan includes a canister ... |
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Invention
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Air cylinder cart frame |
2016
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Invention
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Air hose canister |
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G/S
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breathing air quality test kits consisting primarily of compressor air and bottled air quality te... |
2015
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Invention
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Integrated portable stand, power supply, and control panel.
A portable stand includes a supporti... |
2014
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Invention
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Integrated portable stand, power supply, and control panel. A stand includes a main housing havin... |
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G/S
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Breathing air quality test kits consisting primarily of compressor air and bottled air quality te... |
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G/S
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Portable battery-operated lights that can be placed on surfaces where other lights are unavailabl... |
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G/S
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Air filtration systems comprised of air filters for providing breathing air |
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G/S
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Ventilators for confined spaces |
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Invention
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Integrated portable stand, power supply, and control panel.
A stand includes a main housing havi... |
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G/S
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Breathing air quality test kits for compressor air and bottled air quality testing modules consis... |
2013
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Invention
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Collapsible portable stand with telescoping support and integral storage case.
A collapsible por... |
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Invention
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Housing for a power supply and controller |
2011
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G/S
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Ventilating apparatus, Portable ventilator units used to vent confined spaces. |
2010
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Invention
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Integrated portable stand, power supply, and control panel. A portable stand with an integral pow... |
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Invention
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Integrated portable stand, power supply, and control panel. A portable stand with an integ... |
2009
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Invention
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Leg assembly for portable power source |
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Invention
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Telescoping support |
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Invention
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Collapsible portable stand with telescoping support and integral storage case. A portable ... |
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Invention
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Collapsible portable stand with telescoping support and integral storage case. A portable s... |
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Invention
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Collapsible portable stand with telescoping support and integral storage case. A portable stand c... |
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Invention
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Collapsible portable stand with telescoping support and integral storage case. A collapsible port... |
2008
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Invention
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Electrically conductive confined space ventilator conduit formed of conductive polymer, electrica... |
2007
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Invention
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Gear drive damper. An air damper assembly for regulating an air flow includes a frame, a pluralit... |
2004
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Invention
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Electrically conductive confined space ventilator conduit. An electrically conductive confined sp... |
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Invention
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Interchangeable control panels for gas cylinder cart. Interchangeable control panels for a gas cy... |
2003
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G/S
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Air compressors; air filters; air filters for air tanks; air tanks; carts for transporting bottle... |
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Invention
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Blower |
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Invention
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Blower frame |
2002
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Invention
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Gas cylinder cart with removable control panel. A gas cylinder cart comprises a frame defining at... |
2001
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G/S
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Air compressors, air filters for air tanks, air tanks, and bottled air carts consisting of air ta... |
2000
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Invention
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Cart frame |
1994
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Invention
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Air system control. Control system for maintaining selected pressure in a gas distribution system... |
1993
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G/S
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bottled air carts |
1992
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G/S
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Portable ventilator units used to vent confined spaces. |
1989
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Invention
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Negative pressure filtration device. A negative pressure filtration device is used in conjunction... |
1988
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Invention
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Method and apparatus for ventilating an enclosure accessed by a manhole. An air ventilation condu... |
1987
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Invention
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Air conduit for manhole. Air ventilation conduit for passing through manhole the conduit having a... |
1986
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Invention
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Apparatus and method for oscillating the form rollers in a printing press. An apparatus and metho... |