1
Andreas Melzer, Gerhard Buess, Rainer Trapp, Klaus Peter Brhel: Surgical stitching apparatus. Kernforschungszentrum Karlsruhe, Klaus J Bach, February 14, 1995: US05389103 (286 worldwide citation)

In a surgical stitching apparatus for endoscopically performing sutures of tissue or vessels having a drive mechanism including concentric tubes with an operating handle structure at one end and a stitching head mounted at the distal end thereof, the stitching head includes a stationary and a movabl ...


2
Wolfgang Ehrfeld, Dietrich Munchmeyer: Cross flow microfilter. Kernforschungszentrum Karlsruhe, Spencer & Frank, January 10, 1989: US04797211 (124 worldwide citation)

A cross flow microfilter comprises a filter housing having a flow chamber wherein a fluid is introduced on one side and a concentrate is removed on the opposite side a collection chamber from which a filtrate is removed, and at least one microporous membrane over whose one surface the fluid to be fi ...


3
Bertram Kuntz, Karl Schlipf, Heinrich Schulken: Clip for surgical use and clip applicator. Kernforschungszentrum Karlsruhe, Klaus J Bach, June 4, 1996: US05522823 (78 worldwide citation)

A clip for use in surgery which comprises a lower and an upper portion interconnected by a flexible bridge portion wherein the lower clip portion has at its free end a pin with pointed end extending toward the upper clip portion and the upper clip portion has at its free end a rounded protector nose ...


4
Bernd Kowanz, Dirk Schmidt, Wolfgang Ehrfeld: Microvalve. Burkert Werk Ingelfingen, Kernforschungszentrum Karlsruhe, Sixbey Friedman Leedom & Ferguson, October 8, 1991: US05054522 (77 worldwide citation)

A valve plate (14) provided with slot-like valve ports (16) is able to slide between two stationary valve plates (10 and 12) which are joined with each other and are provided with corresponding slot-like valve ports (16). A electrostatic drive is integrated in the valve plates (10, 12 and 14). It co ...


5
Wolfgang Ehrfeld, Dietrich Munchmeyer: Method of producing a passive optical device including at least one reflection grating. Kernforschungszentrum Karlsruhe, Spencer & Frank, November 15, 1988: US04784935 (48 worldwide citation)

A method of producing a passive optical device having optical components including at least one reflection grating, at least one port for polychromatic light and a plurality of ports for monochromatic light. The method includes producing the optical components of the device utilizing X-ray depth lit ...


6
Hubert Vogg, Hartmut Braun, Gabriele Jindra: Process for purifying flue gas. Kernforschungszentrum Karlsruhe, Spencer & Frank, November 4, 1986: US04620492 (46 worldwide citation)

A process for the purification of flue gas generated during the combustion of waste materials has a first embodiment wherein soluble heavy metals are precipitated and recovered in a compact form and wherein the soluble heavy metal-free extraction residue is returned to the combustion system where no ...


7
Wolfgang Ehrfeld, Gunther Krieg: Motionless mixer. Kernforschungszentrum Karlsruhe, Spencer & Frank, April 30, 1985: US04514095 (42 worldwide citation)

A motionless mixer has a tubular casing, a fluid inlet and a fluid outlet axially spaced from one another in the casing and defining a flow direction of the fluid, a plurality of discs each having throughgoing apertures for allowing passage of the fluid. The discs have a periphery conforming to the ...


8
Curt Schmidt: Differential pressure sensor. Kernforschungszentrum Karlsruhe, Spencer & Kaye, July 19, 1983: US04393714 (36 worldwide citation)

A differential pressure sensor comprises a housing having first and second inlets; a rod-shaped capacitive displacement sensor affixed to the housing in the interior thereof; a first electrode constituted by an end face of the displacement sensor; a second electrode constituted by a diaphragm extend ...


9
Wolfgang Ehrfeld, Peter Hagmann, Jurgen Mohr, Dietrich Munchmeyer: Microporous membrane filter and method of producing same. Kernforschungszentrum Karlsruhe, Spencer & Frank, October 10, 1989: US04872888 (34 worldwide citation)

A process for producing a filter including a microporous membrane and a supporting structure connected thereto, including producing a mold for the membrane and the supporting structure, filling the mold with a molding material whose solubility can be changed by high energy radiation, and forming the ...


10
Christoph Hehrlein, Peter Fehsenfeld: Vascular implant. Kernforschungszentrum Karlsruhe, Klaus J Bach, October 7, 1997: US05674177 (34 worldwide citation)

In a vascular implant for the prevention or elimination of vascular restrictions a tubular body to be inserted into a body vessel includes at least a first nuclide species which has a half life in the range of 7 hours to 7 days and a second nuclide species which has a half life of more than 100 days ...



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