Patents by Inventor William A Lois

William A Lois has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8529481
    Abstract: A system for protecting the appendage of a user from contamination and water seepage while bathing or outdoors during inclement weather. The system includes a protective cover and a sleeve. The protective cover is sized and configured for placement about the hand and arm or the foot and leg of a user. The cover includes a slit with a zipper closure and may include a closure flap at the upper end of the slit. The cover may include securing straps for retaining the cover securely about the appendage of the user. The sleeve extends over and covers the open end of the cover to provide an additional barrier against contamination and seepage.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: September 10, 2013
    Inventor: William A Lois
  • Patent number: 8134246
    Abstract: A power generation system utilizes a wind driven turbine to energize a pair of generator disposed on opposing ends of drive shaft having helical propeller fin attached thereto. The units may be installed on the roof a structure in parapet fashion and stacked to increase power output. Furthermore, the wind driven turbine could be incorporated into a ram air drive to recharge the battery of an electric or hybrid vehicle.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: March 13, 2012
    Inventor: William A. Lois
  • Patent number: 7055420
    Abstract: The invention is a defense system whereby all primary delivery weapons systems with some types of communications systems will be able to identify friends from foes and with the ability to take appropriate actions afterward so that no harm will come to friendly assets.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: June 6, 2006
    Inventor: William Lois
  • Patent number: 6183450
    Abstract: A catheter cleaning device for clearing a catheter of obstructions. The catheter cleaning device includes an elongate hollow housing including first and second slots extending along opposing sides thereof and first and second lateral slots extending perpendicular to a respective one of the first and second slots, a guide member encircling the housing and including a bar extending across a diameter thereof and through both the first and second slots, a guide wire extending from the bar and an adapter for connecting the device to the catheter. The adapter includes a recess extending therethrough for the guide wire to pass out of the housing and into the catheter. The first and second lateral slots allow for rotation of the guide member and thus turning of the guide wire. Turning of the guide wire causes the guide wire to scrape against the obstruction thereby breaking the obstruction into smaller pieces and clearing the catheter.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: February 6, 2001
    Inventor: William A Lois
  • Patent number: 5944688
    Abstract: An implantable dialysis access port assembly for connection of a dialysis machine to a patient and detoxifying blood within the patient. The implantable dialysis access port assembly includes a first port including a first device for receiving a first needle of the dialysis machine, and a first connector and a second port including a second devices for receiving a second needle of the dialysis machine, and a second connector. A first catheter is connected to extend from the first connector and into a vein of the patient and a second catheter is connected to extend from the second connector and into the vein of the patient.
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: August 31, 1999
    Inventor: William A Lois
  • Patent number: 5851232
    Abstract: A stent assembly (10) for placement in a body lumen (12) acting to retain the body lumen (12) in an open position. The stent assembly (10) includes a cylindrical shell (14) and a plurality of circular coils (16) embedded within the cylindrical shell (14). The stent assembly (14) is changeable between a first unexpanded state for placement within the body lumen (12) and a second expanded state for holding the body lumen (12) open once positioned therein. The cylindrical shell (14) is made of expandable PTFE material and the plurality of coils (16) are formed of cut rings, the cuts in each coil being staggered about the 360 degree radius of the cylindrical shell (14) providing full support for the cylindrical shell (14) throughout its circumference. The cylindrical shell (14) may also include ridges (24) extending from an outer wall (30) thereof for engaging the inner wall (28) and holding the stent assembly (10) in place.
    Type: Grant
    Filed: March 15, 1997
    Date of Patent: December 22, 1998
    Inventor: William A. Lois