Patents Represented by Law Firm Richards & Geier
  • Patent number: 4465287
    Abstract: In a cylinder-head gasket defining a sealing plane, and including at least a soft sheet of material made of a highly elastic layer of graphite, and formed with an opening serving as a fuel chamber passage, and wherein a sheet metal collar covers a rim of the layer bordering said opening, the improvement includes the sheet metal collar forming a single flange extending for the greater part thereof parallel to the sealing plane, and terminating near the edge of the said rim facing away from the said sealing plane.
    Type: Grant
    Filed: May 4, 1983
    Date of Patent: August 14, 1984
    Assignee: Elring Dichtungswerke GmbH
    Inventors: Rudolf Bindel, Wilhelm Kullen
  • Patent number: 3995622
    Abstract: A device is used for determining pulses changed as to form of a pulse sequence, particularly width-widened extra systoles in an electro-cardiogram. The device is particularly characterized by a filter arrangement for separating out frequency parts characterisitic for the form and time properties of pulse sequences from the energy frequence spectrum of the sequence. The device also includes means for evaluating the obtained frequency parts to provide pulse identification.
    Type: Grant
    Filed: April 25, 1975
    Date of Patent: December 7, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventors: Lars Carl Ernst Nordgren, Christer Ivar Malmstroem
  • Patent number: 3991316
    Abstract: An apparatus for X-ray examination is used for so-called mammagraphic work. It includes an X-ray tube, a supporting surface for the exposure material and a compressing device. The invention is particularly characterized in that a constant distance is maintained between the X-ray tube and the supporting surface for the exposure material and in that the compressing device is adjustable independently from the X-ray tube and/or the supporting surface. By way of example, the compressing device may be a compression tube supported so as to be movable in the direction toward the supporting surface.
    Type: Grant
    Filed: November 2, 1973
    Date of Patent: November 9, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventors: Arthur Schmidt, Wolfgang Henkel, Johann Finkenzeller
  • Patent number: 3991314
    Abstract: An X-ray diagnosis apparatus for fluoroscopy and exposure includes an image-intensifier-television chain, a device for controlling the dose rate during X-raying, means fixing the exposure data from X-raying data and an automatic exposure timer. The invention is particularly characterized by the provision of a function generator which receives a signal corresponding to the X-raying voltage and produces therefrom an output signal operating the setting means for the exposure voltage, and wherein is programmed the shape of the photographing voltage depending upon the X-raying voltage.
    Type: Grant
    Filed: September 6, 1973
    Date of Patent: November 9, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventors: Herbert Schmitman, Hans-Werner Winkler, Georg Schafer
  • Patent number: 3989037
    Abstract: A flow measuring device, particularly a breathing flow receiver for the diagnosis of lung functioning has a flow pipe with a built in diaphragm, from which pressure difference produced by blowing is measured. The device is particularly characterized in that an elastic body, for example, a membrane, is used as the diaphragm, the opening of which changes within the operating range of the pipe by elastic deformation corresponding to flow pressure.
    Type: Grant
    Filed: March 5, 1975
    Date of Patent: November 2, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventor: Manfred Franetzki
  • Patent number: 3985611
    Abstract: Inorganic layers, papers and membranes for ion exchange are made of fibrous thorium acid phosphate with a ratio PO.sub.4 /Th in the solid of about 2.
    Type: Grant
    Filed: July 15, 1971
    Date of Patent: October 12, 1976
    Assignee: Comitate Nazionale per l'Energia Nucleare
    Inventors: Giulio Alberti, Umberto Costantino
  • Patent number: 3984146
    Abstract: An operational chair for dental work is automatically actuated, preferably with hydraulic adjusting devices, in relation to the seat height, inclination of the back of the chair and the swinging of the chair about a transverse axis and possibly also about a longitudinal axis. Adjusting members are used for holding initial positions and bringing about the desired positions for each of the adjusting devices. The invention is particularly characterized by the provision of a group of members providing the required values for each position which can be selected. These members can be connected by a position selector, for example, a selecting key, with actuating means for the adjusting devices, the actuating means being firmly coupled with members holding the initial positions.
    Type: Grant
    Filed: February 10, 1972
    Date of Patent: October 5, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventors: Erich Krestel, Siegfried Herold
  • Patent number: 3983866
    Abstract: A photoelectric pulsemeter has an applicator connected to an electrical line and containing a light transmitting source fed from an electrical lamp and a photo-electrical receiver screened upon the application side from the light transmitting source. The invention is particularly characterized in that the applicator is divided and has a carrier containing the application side and the source of transmitting light and a supporting plate removable from the carrier and having the lamp, the receiver and possibly other electrical structural parts and conduits. The lamp and the receiver are so constructed and arranged that when the applicator is mounted they functionally properly adapt themselves to the carrier.
    Type: Grant
    Filed: February 17, 1972
    Date of Patent: October 5, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventors: Alfred Ulrich, Georg Naser
  • Patent number: 3974682
    Abstract: An ultra sound examining device operating according to the impulse echo process and used for medical purposes comprises an ultra sound sending-receiving system the sender of which transmits ultra sound impulses in predetermined time intervals into the object being examined through a precursor stretch connected in front of the system, for example, water precursor stretch. There is also an echo impulse representing device operated depending upon the transmitted impulses which represents echo impulses of each transmitted impulse received by the receiver one after the other corresponding to the time sequence of their appearance. The invention is particularly characterized in that the time interval between two succesive transmitted impulses of the ultra sound sender has a value which is smaller than the sum of the precursor time of the ultra sound impulses in the precursor stretch and the representation time of the echo impulses on the representing device.
    Type: Grant
    Filed: March 5, 1975
    Date of Patent: August 17, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventors: Richard Soldner, Rudolf Rattmann
  • Patent number: 3971715
    Abstract: A device for sieving, sorting, filtering and the like, comprising two frame systems movable relatively to each other, each frame system comprising a number of carriers extending in the sieving direction and moving parallel to one another, said frame systems interengaging in such a way that one carrier of one system is always adjacent within a certain distance to one carrier of the other system.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: July 27, 1976
    Inventor: Albert Wehner
  • Patent number: 3943919
    Abstract: An apparatus for connecting a testing electrode to a source of electrical energy having a housing for receiving a testing electrode and a member for connecting the testing electrode to a source of electrical energy. The invention is particularly characterized by contact means disposed about a common line, which face each other, and which are spaced apart by spring means, the arrangement being such that contact between the contact means of said housing and the contact means of said member can be effected by relative displacement of said housing and said member in the direction of said common line or by relative tilting of said housing and said member in any direction.
    Type: Grant
    Filed: March 13, 1972
    Date of Patent: March 16, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventor: Hermann Landgraf
  • Patent number: 3941616
    Abstract: A so-called sea water battery is disclosed which has a battery cell system with electrode plates, preferably magnesium and silver chloride plates, and using as electrolyte a solution of chemicals introduced from the outside into its cell system. According to a particular charcteristic of the invention, the pipe or duct by which water is supplied into the cells contains an ejector mechanism drawing from a particular tank a solution of chemicals and admixing this solution with the feed water. The chemicals thus introduced into the battery serve one or several of the following purposes: to increase the conductivity of the electrolyte; to counteract excessively vigorous dissolution of the electrode materials; and to improve the efficiency of the electrolyte.According to an optional characteristic of the invention, the chemicals to be introduced as has been said are provided in said particular tank in solid form, and water is passed through said tank to solve them and to carry them off.
    Type: Grant
    Filed: October 2, 1974
    Date of Patent: March 2, 1976
    Assignee: Puolustusministerio
    Inventor: Esko Ensio Huhta-Kowisto