Key Technology, Inc.
🏢 View company profile →107Patents
55Active
107Granted
53Portfolio score
Filing activity: Aug 9, 1982 → Sep 15, 2022 · 10 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6646218B1 | Multi-band spectral sorting system for light-weight articles | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5887073A | High speed mass flow food sorting apparatus for optically inspecting and sorting bulk food products | Physics | 62 | Expired |
| US7563341B2 | Method for thermally printing a dye image onto a three dimensional object using flexible heating elements | Performing Operations; Transporting | 56 | Expired |
| US8662314B2 | Sorting apparatus and method utilizing a mechanical diverter | Performing Operations; Transporting | 50 | Active |
| US7137426B2 | Apparatus with multi-directional radiation emitters for printing a dye image onto a three dimensional object | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5335293A | Product inspection method and apparatus | Physics | 48 | Expired |
| US4520702A | Inspection and cutting apparatus | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5047260A | Method for producing a shielded plastic enclosure to house electronic equipment | Electricity | 44 | Expired |
| US7267737B2 | Method for printing a dye image onto a three dimensional object | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5482166A | Meat trim sorting | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5526437A | Integrated food sorting and analysis apparatus | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4581632A | Optical inspection apparatus for moving articles | Physics | 36 | Expired |
| US6410872B1 | Agricultural article inspection apparatus and method employing spectral manipulation to enhance detection contrast ratio | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5180513A | Shielded plastic enclosure to house electronic equipment | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5037536A | Vibratory conveying and separating apparatus and related clamping device | Performing Operations; Transporting | 30 | Expired |
| US6308822A | Conveying apparatuses, indication assemblies, methods of indicating operation of a conveying apparatus, and methods of operating a conveying apparatus | Performing Operations; Transporting | 29 | Expired |
| US5006397A | Printed circuit board | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5339957A | High friction package retainer | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4960614A | Printed circuit board | Electricity | 27 | Expired |
| US7842896B1 | Apparatus and method for sorting articles | Performing Operations; Transporting | 27 | Active |
| US4863757A | Printed circuit board | Electricity | 26 | Expired |
| US7768643B1 | Apparatus and method for classifying and sorting articles | Physics | 26 | Active |
| US4830180A | Article inspection and stabilizing system | Performing Operations; Transporting | 26 | Expired |
| US6868960B2 | Conveying apparatus | Performing Operations; Transporting | 22 | Expired |
| US4793196A | Gear coupled, counter-rotating vibratory drive assembly | Emerging Cross-Sectional Technologies | 20 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.