1
John G Bolger, Lung S B Ng: Inductive power coupling with constant voltage output. Inductran, Owen Wickersham and Erickson, January 24, 1989: US04800328 (191 worldwide citation)

A constant voltage inductive power coupling for magnetically transferring electrical power from a power source through an air gap to a load comprising a first electromagnetic inductor connected to a power source to generate a shaped alternating magnetic field, a said inductor with a saturable core s ...


2
Peter O Peterson: Self-tightening nut. Owen Wickersham and Erickson, March 14, 1989: US04812096 (41 worldwide citation)

A fastener device for automatically maintaining a tightening torque on a threaded structural member under stress which would otherwise become loose when the stress is reduced. The device comprises a first nut member, a second nut member axially aligned with the first nut member and a coiled spring c ...


3
Frank Lucchesi: Real estate sign pole. Owen Wickersham and Erickson, April 2, 1996: US05502910 (31 worldwide citation)

A temporary sign pole installation is disclosed which includes a hollow passage in a vertical pipe having a pointed bottom end. Vertical slots in the side of the hollow passage permit a handle to pass through the slots and into and/or through a pounder weight which can be moved up and down in the ho ...


4
Donald Cameron Pierce: Device for cutting ovals in mats or glass sheets. Owen Wickersham and Erickson, September 12, 1978: US04112793 (16 worldwide citation)

A device for cutting ovals or circles in sheet material. A baseboard is secured adjustably atop a parallel pair of base channels by a combination of screws and coil springs. A base plate secured to one end of the baseboard supports (1) a pair of swivel-mounted hold-down arms and hold-down pads havin ...


5
William E Kirby, David J Seymour: Barge-carrying waterborne vessel and transportation method. Wharton Shipping Corporation, Owen Wickersham and Erickson, January 23, 1979: US04135468 (15 worldwide citation)

A transportation method and barge-carrying water-borne vessel therefor having a hull with rigid supporting and hull-reinforcing structure, a bow, a stern, and side walls providing a series of buoyancy compartments. The hull has a hollow interior defining at least one hold extending most of the lengt ...


6
Huey P Sykes, Richard H Brainard: Current interrupting lightning arrester isolator. Owen Wickersham and Erickson, March 5, 1985: US04503414 (15 worldwide citation)

A device for connection to lightning arresters isolates the grounded lead and contains the resulting spark or arcing flame, including any hot particles generated when ground disconnection is made due to excessive current flow through the arrester. A central spacer member is screwed onto the existing ...


7
Kenneth P Brooks: Adjustable rip fence for wood working machines. Owen Wickersham and Erickson, July 18, 1989: US04848203 (9 worldwide citation)

A movable rip fence is adapted for installation on the work table having a planar surface with a pair of rails on opposite sides that are provided with a series of evenly spaced apart holes, and with a cutting tool between the rails that extends above the table surface. The fence comprises an elonga ...


8
Robert W Deffenbaugh: Impeller shoe for impact crusher. Columbia Steel Casting Company, Owen Wickersham and Erickson, November 15, 1988: US04784339 (8 worldwide citation)

An impeller shoe for a centrifugal rock crushing machine comprises an elongated body of wear resistant alloy material having a generally trapeziform shape with a back bearing surface on one side and a working front face extending longitudinally on its other side. The front face has a plurality of ad ...


9
Gilbert L Hill: Tire recapping apparatus. Oliver Rubber Company, Owen Wickersham and Erickson, February 28, 1989: US04808256 (6 worldwide citation)

A curing ring device for a precured tread rubber recapping apparatus of the type wherein a tire assembly with a strip of tread rubber in place on a tire carcass is surrounded by a flexible envelope. The curing ring device which seals the envelope around the tire in its bead area comprises an annular ...


10
Oystein E Rasmussen: Method and substance for protection of free metallic surfaces, especially steel surfaces against corrosion. Owen Wickersham and Erickson, March 1, 1988: US04728546 (4 worldwide citation)

In order to protect free surfaces, especially steel surfaces against corrosion, a water layer is applied thereto, binding it to the surface by means of a gel-forming hydrophilic material which is essentially insoluble in water. The hydrophilic material is preferably a polymer or an inorganic, gel-fo ...