Inventor
Francis L. Leard
Inventor
Sudbury, MA, US
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
G05BControl or regulating systems in general7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
B22FWorking metallic powder6%
B23KSoldering or unsoldering6%
B29CShaping or joining of plastics6%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
B25JManipulators5%
PatentTitleYear
11,072,114Variable print chamber walls for powder bed fusion additive manufacturing202111,065,810Additive manufacturing system and method202111,014,302Switchyard beam routing of patterned light for additive manufacturing202110,967,566Chamber systems for additive manufacturing202110,960,465Light recycling for additive manufacturing optimization202110,960,466Polarization combining system in additive manufacturing202110,870,150Long and high resolution structures formed by additive manufacturing techniques202010,843,265Enclosed additive manufacturing system202010,843,266Chamber systems for additive manufacturing202010,596,626Additive manufacturing system and method202010,583,484Multi-functional ingester system for additive manufacturing202010,518,328Additive manufacturing system and method20199,921,300'Waveform reconstruction in a time-of-flight sensor'20189,696,424'Optical area monitoring with spot matrix illumination'20179,625,108'Auxiliary light source associated with an industrial application'20179,477,907'Integration of optical area monitoring with industrial machine control'20169,297,935'Method and device for enhancing sensor indication'20169,256,944'Integration of optical area monitoring with industrial machine control'20168,934,048'Apparatus and methods for camera applications'20158,480,246'System and method for reduction of optical noise'20138,421,037'System and method for reduction of optical noise'20138,325,245'Apparatus and methods for use of infra-red light in camera applications'20128,175,427'Apparatus and methods for use of a tunable optical source in safety curtain applications'20128,118,152'Safety arrangement'20127,812,951'Color sensors using polarimetric techniques'20107,699,157'Safety arrangement'20107,538,335'Spectral filter with dye-impregnated resonant nano-spheres'20096,371,662'Spatially variable filter laser wavelength monitoring/control'20026,120,190'Spatially variable bandpass filter monitoring and feedback control of laser wavelength especially in wavelength division multiplexing communication systems'20005,196,767'Spatial light modulator assembly'19934,950,053'Multibend fluorescent light source for liquid crystal displays with out of plane lamp electrodes'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2021Based in Sudbury, MA, US· patent location history
2009–2018Patents assigned to ROCKWELL AUTOMATION TECH INC (13)· patent assignee history
2012–2016Patents assigned to LEARD FRANCIS L (4)· patent assignee history
2012Patents assigned to DOGUL JAMES EDWARD (2)· patent assignee history
2012Patents assigned to LEARD FRANCIS LAWRENCE (2)· patent assignee history
2019–2021Patents assigned to SEURAT TECH INC (12)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROCKWELL AUTOMATION TECH INC | 13 | 2009–2018 |
| SEURAT TECH INC | 12 | 2019–2021 |
| LEARD FRANCIS Lself | 4 | 2012–2016 |
| DOGUL JAMES EDWARD | 2 | 2012 |
| LEARD FRANCIS LAWRENCEself | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sudbury, Massachusetts, US | 31 | 1990–2021 |