Assignee
EMI LTD
268 patents
Top patents by PatentIndex Score
US4244998AJan 13, 1981
Patterned layers including magnetizable material
EMI LTD99 citations96
US4181858AJan 1, 1980
Adjustable compensating device for radiographic apparatus
EMI LTD61 citations96
US3952201AApr 20, 1976
Radiography
EMI LTD79 citations96
US3944833AMar 16, 1976
Apparatus for examining a body by radiation such as X or gamma radiation
EMI LTD57 citations96
US4309637AJan 5, 1982
Rotating anode X-ray tube
EMI LTD64 citations95
US4629957ADec 16, 1986
Sensing apparatus
EMI LTD62 citations94
US4862176AAug 29, 1989
Identification of friend or foe (IFF) systems
EMI LTD41 citations92
US4754493AJun 28, 1988
Automatic recognition and guidance arrangements
EMI LTD124 citations92
US4504962AMar 12, 1985
Computerized tomography
EMI LTD31 citations92
US4333053AJun 1, 1982
Imaging systems
EMI LTD50 citations92
US4316091AFeb 16, 1982
CT Scanner
EMI LTD35 citations92
US4300096ANov 10, 1981
Imaging systems
EMI LTD35 citations92
US4284950AAug 18, 1981
Imaging systems
EMI LTD48 citations92
US4162775AJul 31, 1979
Tracking and/or guidance systems
EMI LTD36 citations92
US4118631AOct 3, 1978
Radiographic apparatus
EMI LTD76 citations92
US4031395AJun 21, 1977
Radiography
EMI LTD44 citations92
US4010370AMar 1, 1977
Computerized tomography apparatus with means to periodically displace radiation source
EMI LTD52 citations92
US3973128AAug 3, 1976
Tomography
EMI LTD52 citations92
US3946234AMar 23, 1976
Apparatus for examining bodies by means of penetrating radiation
EMI LTD51 citations92
US4435266AMar 6, 1984
Electroplating arrangements
EMI LTD90 citations91
US4206653AJun 10, 1980
Ultrasonic apparatus
EMI LTD32 citations91
US4038596AJul 26, 1977
Method and apparatus for authenticating a record medium consisting of applying two different strength magnetizing fields and monitoring the remanent fields
EMI LTD144 citations91
US3998160ADec 21, 1976
Magnetic ink printing method
EMI LTD67 citations91
US4519036AMay 21, 1985
Program storage hardware with security scheme
EMI LTD32 citations90
US4115697ASep 19, 1978
X-ray tube cooling arrangement
EMI LTD43 citations90
US4002917AJan 11, 1977
Sources of X-radiation
EMI LTD63 citations89
US4780720AOct 25, 1988
Radar apparatus
EMI LTD28 citations88
US4680591AJul 14, 1987
Helical antenna array with resonant cavity and impedance matching means
EMI LTD29 citations88
US4257272AMar 24, 1981
Ultrasonic apparatus
EMI LTD70 citations88
US4081132AMar 28, 1978
Credit cards and other security documents
EMI LTD50 citations88
US3936638AFeb 3, 1976
Radiology
EMI LTD38 citations88
US4517679AMay 14, 1985
Communication over noisy lines
EMI LTD77 citations87
US4254778AMar 10, 1981
Imaging systems
EMI LTD47 citations87
US4868917ASep 19, 1989
Radar arrangements
EMI LTD24 citations86
US4602957AJul 29, 1986
Magnetic powder compacts
EMI LTD27 citations86
US4577513AMar 25, 1986
Strain sensing arrangement
EMI LTD48 citations86
US4181856AJan 1, 1980
Arrangements for detectors of radiation
EMI LTD68 citations86
US4180207ADec 25, 1979
Security material and secure document system using said material
EMI LTD46 citations86
US4086492AApr 25, 1978
Display apparatus for use in radiography
EMI LTD31 citations86
US4350660ASep 21, 1982
Ammonia gas sensors
EMI LTD39 citations85
US4297729AOct 27, 1981
Encoding and decoding of digital recordings
EMI LTD61 citations85
US4186944AFeb 5, 1980
Security document
EMI LTD38 citations85
US4070581AJan 24, 1978
Detection of radiation
EMI LTD36 citations85
US4034224AJul 5, 1977
Patient positioning and supporting arrangement
EMI LTD62 citations85
US4346383AAug 24, 1982
Checking the location of moving parts in a machine
EMI LTD36 citations83
US4322684AMar 30, 1982
Imaging systems
EMI LTD22 citations82
US4284948AAug 18, 1981
Imaging systems
EMI LTD25 citations82
US4222104ASep 9, 1980
Radiography
EMI LTD26 citations82
US4066902AJan 3, 1978
Radiography with detector compensating means
EMI LTD26 citations82
US4066903AJan 3, 1978
Radiology
EMI LTD21 citations82
Showing the top 50 of 268 patents by PatentIndex Score.