Patents by Inventor Thomas Strothmann

Thomas Strothmann 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: 9236817
    Abstract: In summary it is described a column for a piece of furniture as well as a piece of furniture with at least one movable member (1, 2, 31), wherein said part is adapted to be moved relative to the rest of the furniture in a non-manual way. Further, there is provided a device for detecting collisions of the automatically movable member with obstacles, an automatic drive mechanism (5, 6) which is adapted to move the movable member, a control device adapted to control the automatic drive mechanism (5, 6), and at least one sensor (4) adapted to detect a collision during the motion of the movable member (1, 2, 31) with an obstacle and to transmit this incident to the control device wherein the at least one sensor (4) comprises a force-sensitive sensor (41).
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: January 12, 2016
    Assignee: KESSEBOHMER PRODUKTIONS GMBH & CO. KG
    Inventors: Thomas Strothmann, Oliver Spahn
  • Patent number: 9029720
    Abstract: An electrical switch includes a housing and at least two electrical terminals. A pivoting toggle is provided within the housing for controlling the electrical connection between the two terminals. A light source is mounted to the housing in a fixed position and a length of optically conductive material extends from within the toggle to adjacent the light source, such that, when the light source is on, light is visible through the toggle via the optically conductive material.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: May 12, 2015
    Inventor: Thomas Strothmann
  • Publication number: 20150101709
    Abstract: A respiratory system and method includes a filling unit for filling a portable bottle of respiratory gas and a conserver for mounting on such a bottle. A battery on the conserver may be recharged when the bottle is placed on the filing unit. The conserver may include electric timing circuitry operative to control the timing of pulsed flow of respiratory gas from the conserver, and an external electrical coupler to enable adjustment of the timing of the pulsed flow. The conserver may include at least one sensor operative to sense the reversal of flow between exhalation and inhalation, the conserver being operative to commence a respiratory gas delivery pulse in response to the sensing of the reversal of flow.
    Type: Application
    Filed: August 8, 2014
    Publication date: April 16, 2015
    Inventors: Joseph B. Richey, II, Thomas Strothmann
  • Patent number: 8807251
    Abstract: A motor and brake assembly includes a mounting member. A stator winding assembly, a brake assembly, a hub, and a rotor magnet assembly. The stator winding assembly is mounted to the mounting member. The brake assembly is operably connected to the mounting member. The hub is rotatably coupled to the mounting member. The rotor magnet assembly is mounted to an inside of a radially outer wall of the hub. The brake assembly is operable to move a component of the brake assembly between an engaged position where the component engages the inside of the radially outer hub wall and a disengaged position where the component is spaced apart from the inside of the radially outer hub wall.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: August 19, 2014
    Assignee: Invacare Corporation
    Inventors: Nirav Pandya, Thomas Tuckowski, John Jindra, Robert Bekoscke, George H. Waterman, Thomas Strothmann
  • Patent number: 8800556
    Abstract: A respiratory system and method includes a filling unit for filling a portable bottle of respiratory gas and a conserver for mounting on such a bottle. A battery on the conserver may be recharged when the bottle is placed on the filing unit. The conserver may include electric timing circuitry operative to control the timing of pulsed flow of respiratory gas from the conserver, and an external electrical coupler to enable adjustment of the timing of the pulsed flow. The conserver may include at least one sensor operative to sense the reversal of flow between exhalation and inhalation, the conserver being operative to commence a respiratory gas delivery pulse in response to the sensing of the reversal of flow.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: August 12, 2014
    Assignee: Invacare Corporation
    Inventors: Joseph B. Richey, II, Thomas Strothmann
  • Publication number: 20130140160
    Abstract: An electrical switch includes a housing and at least two electrical terminals. A pivoting toggle is provided within the housing for controlling the electrical connection between the two terminals. A light source is mounted to the housing in a fixed position and a length of optically conductive material extends from within the toggle to adjacent the light source, such that, when the light source is on, light is visible through the toggle via the optically conductive material.
    Type: Application
    Filed: February 1, 2013
    Publication date: June 6, 2013
    Inventor: Thomas Strothmann
  • Patent number: 8452511
    Abstract: A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. These methods process signals associated with desired, expected, or actual turn rate to determine if the wheelchair is off course.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: May 28, 2013
    Assignee: Invacare Corporation
    Inventors: Thomas Strothmann, Joseph B. Richey
  • Publication number: 20130080015
    Abstract: A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. These methods process signals associated with desired, expected, or actual turn rate to determine if the wheelchair is off course.
    Type: Application
    Filed: November 19, 2012
    Publication date: March 28, 2013
    Inventors: Thomas Strothmann, Joseph B. Richey
  • Patent number: 8367955
    Abstract: An electrical switch includes a housing and at least two electrical terminals. A pivoting toggle is provided within the housing for controlling the electrical connection between the two terminals. A light source is mounted to the housing in a fixed position and a length of optically conductive material extends from within the toggle to adjacent the light source, such that, when the light source is on, light is visible through the toggle via the optically conductive material.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: February 5, 2013
    Inventor: Thomas Strothmann
  • Patent number: 8315770
    Abstract: A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. These methods process signals associated with desired, expected, or actual turn rate to determine if the wheelchair is off course.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: November 20, 2012
    Assignee: Invacare Corporation
    Inventors: Thomas Strothmann, Joseph B. Richey
  • Patent number: 8261742
    Abstract: Systems and methods for adjusting a desired pressure in a positive airway pressure (PAP) device are provided. In one embodiment, the method includes: a) providing breathing gas under positive pressure to a patient via a PAP device based on current desired pressure, b) monitoring a characteristic of the breathing gas, patient, or PAP device indicative of respiration, c) creating a breathing cycle signal having a first level associated with inhalation and a second level associated with exhalation, the signal being based on the monitored respiration characteristic, d) performing an abnormal breathing check based on the monitored respiration characteristic and the breathing cycle signal, and e) if abnormal breathing is detected, increasing the current desired pressure until a maximum desired pressure is reached, otherwise, decreasing the current desired pressure until a minimum desired pressure is reached. Several embodiments of an apparatus associated with the method are also provided.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: September 11, 2012
    Assignee: Invacare Corporation
    Inventors: Thomas Strothmann, Joseph B. Richey, II
  • Publication number: 20120104871
    Abstract: A compact wall-mountable load control device for controlling the power delivered to an electrical load from an AC power source includes: a controllably conductive device coupled in a series electrical connection between the AC power source and the load, the controllably conductive device including a control input; a control circuit operatively coupled to the control input of the controllably conductive device, the control circuit operable to control the conductivity of the controllably conductive device, the control circuit including a timer; a timer adjustment selector operatively coupled to the control circuit; a visual indicator operatively coupled to the control circuit; and a switch operatively connected to the control circuit to provide a user the ability to operate the control circuit using the integral switch. The control circuit includes a timed ON setting, an OFF setting, and an ON setting that bypasses the timer. The timed ON setting may be user adjustable.
    Type: Application
    Filed: October 27, 2011
    Publication date: May 3, 2012
    Inventor: Thomas Strothmann
  • Publication number: 20120018234
    Abstract: A motor and brake assembly includes a mounting member. A stator winding assembly, a brake assembly, a hub, and a rotor magnet assembly. The stator winding assembly is mounted to the mounting member. The brake assembly is operably connected to the mounting member. The hub is rotatably coupled to the mounting member. The rotor magnet assembly is mounted to an inside of a radially outer wall of the hub. The brake assembly is operable to move a component of the brake assembly between an engaged position where the component engages the inside of the radially outer hub wall and a disengaged position where the component is spaced apart from the inside of the radially outer hub wall.
    Type: Application
    Filed: June 15, 2011
    Publication date: January 26, 2012
    Applicant: Invacare Corporation
    Inventors: Nirav Pandya, Thomas Tuckowski, John Jindra, Robert Bekoscke, George H. Waterman, Thomas Strothmann
  • Publication number: 20100288609
    Abstract: An electrical switch includes a housing and at least two electrical terminals. A pivoting toggle is provided within the housing for controlling the electrical connection between the two terminals. A light source is mounted to the housing in a fixed position and a length of optically conductive material extends from within the toggle to adjacent the light source, such that, when the light source is on, light is visible through the toggle via the optically conductive material.
    Type: Application
    Filed: May 11, 2010
    Publication date: November 18, 2010
    Inventor: Thomas Strothmann
  • Publication number: 20100138128
    Abstract: A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. These methods process signals associated with desired, expected, or actual turn rate to determine if the wheelchair is off course.
    Type: Application
    Filed: January 31, 2008
    Publication date: June 3, 2010
    Inventors: Thomas Strothmann, Joseph B. Richey
  • Patent number: 7661292
    Abstract: This invention relates to a device and a method for recognizing collision of automatically moveable parts of furniture with obstacles by detecting a change in bend or a change in acceleration. This is carried out by a device for recognizing collisions of automatically moveable parts of furniture with obstacles, comprising a piece of furniture with at least one moveable part (1, 2, 31), wherein this part is a adapted to be moved relatively to the rest of the furniture in a non-manual manner, an automatic driving mechanism adapted to move the moveable part, a controller adapted to control the automatic driving mechanism, and a sensor (4) adapted to detect a collision with an obstacle during the movement of the moveable part and to transmit the collision to the controller, wherein the sensor is adapted to detect a change in bend or a change in acceleration of the moveable part.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: February 16, 2010
    Assignee: Kesselbohmer Produktions GmbH + Co., KG
    Inventors: Michael Buitmann, Michael Köder, Thomas Strothmann
  • Publication number: 20090057909
    Abstract: Structures and methods for fabrication of an under bump metallization (UBM) structure having a metal seed layer and electroless nickel deposition layer are disclosed involving a UBM structure comprising a semiconductor substrate, at least one final metal layer, a passivation layer, a metal seed layer, and a metallization layer. The at least one final metal layer is formed over at least a portion of the semiconductor substrate. Also, the passivation layer is formed over at least a portion of the semiconductor substrate. In addition, the passivation layer includes a plurality of openings. Additionally, the passivation layer is formed of a non-conductive material. The at least one final metal layer is exposed through the plurality of openings. The metal seed layer is formed over the passivation layer and covers the plurality of openings. The metallization layer is formed over the metal seed layer. The metallization layer is formed from electroless deposition.
    Type: Application
    Filed: June 19, 2008
    Publication date: March 5, 2009
    Applicant: FlipChip International, LLC
    Inventor: Thomas Strothmann
  • Publication number: 20090050154
    Abstract: Systems and methods for adjusting a desired pressure in a positive airway pressure (PAP) device are provided. In one embodiment, the method includes: a) providing breathing gas under positive pressure to a patient via a PAP device based on current desired pressure, b) monitoring a characteristic of the breathing gas, patient, or PAP device indicative of respiration, c) creating a breathing cycle signal having a first level associated with inhalation and a second level associated with exhalation, the signal being based on the monitored respiration characteristic, d) performing an abnormal breathing check based on the monitored respiration characteristic and the breathing cycle signal, and e) if abnormal breathing is detected, increasing the current desired pressure until a maximum desired pressure is reached, otherwise, decreasing the current desired pressure until a minimum desired pressure is reached. Several embodiments of an apparatus associated with the method are also provided.
    Type: Application
    Filed: August 25, 2008
    Publication date: February 26, 2009
    Applicant: INVACARE CORPORATION
    Inventors: Thomas Strothmann, Joseph B. Richey, II
  • Publication number: 20080289544
    Abstract: This invention relates to a device and a method for recognizing collision of automatically moveable parts of furniture with obstacles by detecting a change in bend or a change in acceleration. This is carried out by a device for recognizing collisions of automatically moveable parts of furniture with obstacles, comprising a piece of furniture with at least one moveable part (1, 2, 31), wherein this part is a adapted to be moved relatively to the rest of the furniture in a non-manual manner, an automatic driving mechanism adapted to move the moveable part, a controller adapted to control the automatic driving mechanism, and a sensor (4) adapted to detect a collision with an obstacle during the movement of the moveable part and to transmit the collision to the controller, wherein the sensor is adapted to detect a change in bend or a change in acceleration of the moveable part.
    Type: Application
    Filed: August 23, 2007
    Publication date: November 27, 2008
    Applicant: KESSEBOHMER PRODUKTIONS GMBH + CO. KG
    Inventors: Michael Buitmann, Michael Koder, Thomas Strothmann
  • Publication number: 20080136019
    Abstract: Solder bump structures, which comprise a solder bump on a UBM structure, are provided for operation at temperatures of 250° C. and above. According to a first embodiment, the UBM structure comprises layers of Ni—P, Pd—P, and gold, wherein the Ni—P and Pd—P layers act as barrier and/or solderable/bondable layers. The gold layer acts as a protective layer. According to second embodiment, the UBM structure comprises layers of Ni—P and gold, wherein the Ni—P layer acts as a diffusion barrier as well as a solderable/bondable layer, and the gold acts as a protective layer. According to a third embodiment, the UBM structure comprises: (i) a thin layer of metal, such as titanium or aluminum or Ti/W alloy; (ii) a metal, such as NiV, W, Ti, Pt, TiW alloy or Ti/W/N alloy; and (iii) a metal alloy such as Pd—P, Ni—P, NiV, or TiW, followed by a layer of gold. Alternatively, a gold, silver, or palladium bump may be used instead of a solder bump in the UBM structure.
    Type: Application
    Filed: December 11, 2006
    Publication date: June 12, 2008
    Inventors: Michael E. Johnson, Thomas Strothmann, Joan Vrtis