51
Arnold J Steinman, Michael G Yost: Method and apparatus for regulating air ionization. Ion Systems, Phillips Moore Lempio & Finley, February 13, 1990: US04901194 (44 worldwide citation)

Ion content of the air in a clean room or the like is controlled by generating positive and negative ions during alternating time periods using positive and negative high voltage generators connected to ionizing electrodes. Ion generation periods are followed by off intervals during which the ions d ...


52
Hans Henrich Stiehl, Thomas Sebald: Device for generating ions in gas streams. Sorbios Verfahrenstechnische Gerate und, Andrew R Basile, William M Hanlon Jr, October 31, 1989: US04878149 (44 worldwide citation)

A device for generating ions in gas streams is proposed, which has an electrode arrangement exposed to the gas streams and a pulsed high voltage supply, which supplies an alternating sequence of negative and positive pulses with step edges. The electrode arrangement comprises at least one point disc ...


53
Engbert T Bannink Jr, Glenn O Olson: Integral lightning protection system for composite aircraft skins. The Boeing Company, Conrad O Gardner, Nicolaas DeVogel, Bernard A Donahue, October 23, 1984: US04479163 (43 worldwide citation)

Method and structures for enhancing the conductivity of graphite composite materials for lightning protection and prevention of attachment of lightning to fasteners. The integral lightning protection system for composite aircraft skins, including skins with fasteners penetrating into fuel tanks, uti ...


54
Robert W Christiansen, Walter M Westberg: Conductive elastomeric fabric and body strap. Minnesota Mining and Manufacturing Company, Cruzan Alexander, Donald M Sell, William D Bauer, August 9, 1983: US04398277 (43 worldwide citation)

A fabric and body strap having both electrically conductive and elastomeric properties. A fabric is formed by interlacing at least one yarn into a series of interlocking loops and preferably knitted. The yarn includes an end having an electrically conductive fiber and an end having an elastomeric fi ...


55
Lawrence P Blachman: Anti-static hose assemblies. The Polymer Corporation, Richard O Church, July 19, 1983: US04394705 (43 worldwide citation)

A hose assembly of limited conductivity designed to dissipate static electric charges, such as encountered in paint spraying. The hose assembly includes a reinforced hose 1 fitted over the nipple 15 of a stem 13, and a shell 14 holding the hose 1 in compression over the nipple 15 of the stem 13. The ...


56
James H Covey: Lightning protection of fasteners in composite material. The Boeing Company, Bruce A Kaser, December 9, 1986: US04628402 (42 worldwide citation)

An electrically conductive metal fastener (14) is positioned through an opening (22) in a first surface region (20) of a composite material (10). The first surface region (20) has a relatively low electrical conductivity. A conductive second surface region (32) of the composite material (10) is adja ...


57
Albert C Breidegam: Woven stretchable grounding strap. Semtronics Corporation, Kilpatrick & Cody, March 18, 1986: US04577256 (41 worldwide citation)

A woven strap that may be comfortably worn on the wrist to drain or wick static electrical charges from the wearer. Conductive fibers on the inside surface of the strap contact the skin and conduct electrical charges to a grounding cord attached to the strap. Face yarns exposed on the outer surface ...


58
Michael E Halleck: Static charge control device having laminar flow. Westward Electronics, Robert E Harris, August 25, 1987: US04689715 (40 worldwide citation)

A static charge control device is disclosed having laminar flow. The device utilizes a pair of spaced electrodes mounted adjacent to a pair of spaced apertures with the electrodes being positioned so as not to extend into the apertures. As specifically shown, a pair of needle electrodes are mounted ...


59
Arnold J Steinman, Michael G Yost: Method and apparatus for regulating air ionization. Ion Systems, Phillips Moore Lempio & Finley, August 21, 1990: US04951172 (39 worldwide citation)

Ion content of the atmosphere at a particular location is controlled by generating ions during repetitive period that are initiated by timing signals which reoccur at a predetermined rate. An ion sensor produces feedback signals indicative of the ion content of the air and a feedback circuit varies ...


60
Philip A Billings, William S Franks Jr: Printing machine with static elimination system. Xerox Corporation, William A Henry II, January 15, 1985: US04494166 (39 worldwide citation)

A printing machine includes at least two grounded carbon fiber brush static eliminators mounted in a molded plastic baffle assembly that optimizes discharge characteristics. The eliminators are mounted such that one brush contacts sheets moving through the machine while the other brush remains out o ...