|
| US3982133 | 16 Jan 1974 | 21 Sep 1976 | G. D. Searle & Co. | Collimator changer for scintillation camera |
| US4109155 | 14 Jun 1974 | 22 Aug 1978 | Siemens Aktiengesellschaft | Gamma camera |
| US4129784 | 8 Dec 1975 | 12 Dec 1978 | Siemens Aktiengesellschaft | Gamma camera |
| US4221971 | 15 Jan 1979 | 9 Sep 1980 | | Protective shield device |
| US4266139 | 7 Jan 1980 | 5 May 1981 | | Composite shielding means and mounting means for x-ray machines |
| US4347440 | 9 Jul 1980 | 31 Aug 1982 | Siemens Medical Laboratories, Inc. | Filter arrangement for an x-ray apparatus |
| US4377752 | 22 Jan 1980 | 22 Mar 1983 | Picker Corporation | Scintillation camera radiation shielding |
| US4472828 | 23 Jul 1982 | 18 Sep 1984 | Minnesota Mining and Manufacturing Company | X-Ray filter for chest X-rays |
| US4489426 | 23 Dec 1981 | 18 Dec 1984 | General Electric Company | Collimator with adjustable aperture |
| US4672652 | 2 Jan 1986 | 9 Jun 1987 | Siemens Aktiengesellschaft | Radiodiagnostic apparatus with semitransparent diaphragm |
| US4707846 | 12 Jun 1985 | 17 Nov 1987 | | Full spine shielding means |
| US4752947 | 25 Nov 1985 | 21 Jun 1988 | Siemens Aktiengesellschaft | Primary radiation diaphragm for X-ray examination devices |
| US4788699 | 24 Feb 1987 | 29 Nov 1988 | Siemens Aktiengesellschaft | Dental x-ray diagnostics installation for producing panorama tomograms of the jaw of a patient |
| US4817125 | 20 May 1987 | 28 Mar 1989 | Siemens Aktiengesellschaft | Radio-diagnostic equipment with shutter |
| US4870673 | 29 Sep 1987 | 26 Sep 1989 | Siemens Aktiengesellschaft | Dental x-ray installation |
| US4897861 | 20 Jun 1988 | 30 Jan 1990 | Siemens Aktiengesellschaft | Primary radiation diaphragm for x-ray diagnostics equipments |
| US4905268 | 21 Jul 1988 | 27 Feb 1990 | Picker International, Inc. | Adjustable off-focal aperture for x-ray tubes |
| US6389100 | 9 Apr 1999 | 14 May 2002 | Osmic, Inc. | X-ray lens system |
| US6862340 | 8 Nov 2002 | 1 Mar 2005 | Siemens Aktiengesellschaft | Device for filtering a ray bundle |
| US7327830 | 21 Jul 2006 | 5 Feb 2008 | Nuctech Company Limited
Tsinghua University | Collimation and calibration integrative apparatus for container inspection system |
| US7680249 | 9 May 2008 | 16 Mar 2010 | GE Medical Systems Global Technology Company, LLC | Filter unit, X-ray tube unit, and X-ray imaging system |
