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Class Information
Number: 976/DIG.354
Name: Nuclear technology > Transportable or portable shielded containers [g21f-5/00] > With provision for restricted exposure of a radiation source within the container [g21f-5/02] > Means for controlling exposure (e.g., time, size of aperture) [g21f-5/04]

Patents under this class:

Patent Number Title Of Patent Date Issued
4851694 Device for driving and positioning a source holder in an applicator used in radiotherapy Jul. 25, 1989
4829191 Switchable radioactive neutron source device May. 9, 1989
4758725 Calibration device for nuclear medicine equipment and it use process Jul. 19, 1988
4511801 Radiation scanning and measuring device Apr. 16, 1985
4450578 Variable aperture collimator for high energy radiation May. 22, 1984
4419763 Variable slanted channel collimator Dec. 6, 1983
4400825 Adjustable slit radiographic apparatus Aug. 23, 1983
4029967 Device for the uniform irradiation of goods by means of electro-magnetic radiation Jun. 14, 1977
4027156 X-ray source safety shutter May. 31, 1977
4027168 Rapid shutter mechanism May. 31, 1977
3963935 Shutter designed to block high-energy particle beams Jun. 15, 1976
3950651 Method and an arrangement for defining a radiation treatment field Apr. 13, 1976

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