British Technology Group Limited
331Patents
1Active
331Granted
43Portfolio score
Filing activity: Mar 23, 1989 → Sep 13, 2017
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5314482A | Femoral component, tool and method | Human Necessities | 381 | Expired |
| US5519381A | Detection of multiple articles | Physics | 321 | Expired |
| US5566441A | Attaching an electronic circuit to a substrate | Emerging Cross-Sectional Technologies | 276 | Expired |
| US5871542A | Endoprosthetic knee joint device | Human Necessities | 252 | Expired |
| US5537105A | Electronic identification system | Electricity | 234 | Expired |
| US5330528A | Vascular surgical devices | Human Necessities | 228 | Expired |
| US5480446A | Prosthetic knee joint devices | Human Necessities | 199 | Expired |
| US5726630A | Detection of multiple articles | Physics | 180 | Expired |
| US5585097A | Humanized anti-CD3 specific antibodies | Chemistry; Metallurgy | 169 | Expired |
| US5376386A | Aerosol carriers | Human Necessities | 150 | Expired |
| US5358531A | Prosthetic knee joint devices | Human Necessities | 141 | Expired |
| US5443082A | Controlling articles of equipment during surgery | Human Necessities | 131 | Expired |
| US5787185A | Biometric identification of individuals by use of subcutaneous vein patterns | Human Necessities | 130 | Expired |
| US5626146A | Electrical impedance tomography | Human Necessities | 130 | Expired |
| US5666903A | Examination of milking animals | Human Necessities | 126 | Expired |
| US5553569A | Animal stall | Human Necessities | 125 | Expired |
| US5718231A | Laser ultrasound probe and ablator | Human Necessities | 125 | Expired |
| US5479876A | Automatic milking | Human Necessities | 124 | Expired |
| US6141361A | Wavelength selective filter | Physics | 123 | Expired |
| US5557280A | Synchronized electronic identification system | Physics | 122 | Expired |
| US5634471A | Flowmeters | Human Necessities | 121 | Expired |
| US5273126A | Tracklaying vehicles | Performing Operations; Transporting | 117 | Expired |
| US5317878A | Cryogenic cooling apparatus | Mechanical Engineering; Lighting; Heating | 117 | Expired |
| US5254330A | Aerosol carriers | Human Necessities | 115 | Expired |
| US5814200A | Apparatus for separating by dielectrophoresis | Performing Operations; Transporting | 112 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.