John Groot
47Patents
14h-index
23Co-inventors
81Inventor score
Filing activity: Aug 6, 1992 → Sep 16, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6971580B2 | AUTOMATED METHOD OF AND SYSTEM FOR DIMENSIONING OBJECTS OVER A CONVEYOR BELT STRUCTURE BY APPLYING CONTOURING TRACING, VERTICE DETECTION, CORNER POINT DETECTION, AND CORNER POINT REDUCTION METHODS TO TWO-DIMENSIONAL RANGE DATA MAPS OF THE SPACE ABOVE THE CONVEYOR BELT CAPTURED BY AN AMPLITUDE MODULATED LASER SCANNING BEAM | Physics | 172 | Expired |
| US6705526B1 | AUTOMATED METHOD OF AND SYSTEM FOR DIMENSIONING OBJECTS TRANSPORTED THROUGH A WORK ENVIRONMENT USING CONTOUR TRACING, VERTICE DETECTION, CORNER POINT DETECTION, AND CORNER POINT REDUCTION METHODS ON TWO-DIMENSIONAL RANGE DATA MAPS CAPTURED BY AN AMPLITUDE MODULATED LASER SCANNING BEAM | Physics | 118 | Expired |
| US6758402B1 | Bioptical holographic laser scanning system | Physics | 113 | Expired |
| US6540140B1 | Web-enabled system and method for designing and manufacturing bar code scanners | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6290132A | Holographic-based bar code symbol position detection system for producing bar code symbol position data specifying the position of a detected bar code symbol within a 3-D scanning volume above a conveyor belt structure | Physics | 38 | Expired |
| US5247167A | Multiple beam power monitoring system and method with radiation detection and focusing means of overlapping beams | Electricity | 32 | Expired |
| US6085978A | Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6474556B2 | Laser scanning system mounted over a conveyor belt along which packages bearing bar code symbols are transported and scanned | Physics | 23 | Expired |
| US6439462B1 | Conveyor-belt mounted bar code symbol reading system employing a steerable bar code symbol scanner to automatically scan bar code symbols detected by a holographic-based bar code position detector | Physics | 19 | Expired |
| US7051922B2 | Compact bioptical laser scanning system | Physics | 17 | Expired |
| US6375074B1 | Holographic laser scanner for producing a highly-defined three-dimensional scanning volume having multiple focal regions within which the laser scanlines are spatially confined | Physics | 17 | Expired |
| US6158659A | Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes | Physics | 16 | Expired |
| US6328215A | Method and system for automatically identifying packages during package sortation operations manually carried out by a human operator | Physics | 15 | Expired |
| US7407103B2 | Bioptical holographic laser scanning system | Physics | 14 | Active |
| US6991167B2 | Bioptical laser scanning system providing 360° of omnidirectional bar code symbol scanning coverage at a point of sale (POS) station | Physics | 14 | Expired |
| US5975419A | Holographic laser scanner generating a high-resolution 2-D raster scanning pattern using a holographic scanning disc | Physics | 13 | Expired |
| US6422466B1 | Method of and system for automatically identifying packages during package transport operations carried out by a human operator walking through the doorway of a storage container | Physics | 13 | Expired |
| US6561424B1 | Method of and system for automatically identifying packages during package transport operations carried out by a human operator walking through the doorway of a storage warehouse | Physics | 12 | Expired |
| US6547144B1 | Holographic laser scanning system for carrying out light collection operations with improved light collection efficiency | Physics | 12 | Expired |
| US5984185A | Laser scanning system employing parabolic light collection surfaces having optical axes disposed off the Bragg angle of the holographic optical elements of the holographic scanning disc thereof | Physics | 11 | Expired |
| US6199759A | Bar code symbol scanning system having a holographic laser scanning disc utilizing maximum light collection surface area thereof and having scanning facets with optimized light collection efficiency | Physics | 10 | Expired |
| US6530522B1 | Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes | Physics | 10 | Expired |
| US6523750B1 | Laser scanning system employing light collection surfaces having optical axes disposed off the bragg angle of the holographic optical elements of the holographic scanning disc thereof | Physics | 10 | Expired |
| US6006993A | Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency | Physics | 9 | Expired |
| US6840449B2 | Laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.