Inventor
Michael A. Schappert
Inventor
Wappingers Falls, NY, US
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Gprimary
A01GHorticulture17%
B05BSpraying apparatus15%
G06FElectric digital data processing12%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
G01RMeasuring electric variables8%
Y02ATechnologies for adaptation to climate change7%
B02BPreparing grain for milling4%
F16KValves4%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H05KPrinted circuits4%
PatentTitleYear
11,079,366Plume characterization using synchronized measurements of gas composition, wind direction, and wind speed202110,247,687Soil moisture probing at variable depth20199,877,438'Segmented variable rate drip irrigation'20189,788,494'Controllable emitter'20179,575,040'Methods and apparatus for detection of gaseous corrosive contaminants'20179,532,515'Irrigation system'20179,532,514'Irrigation system and method'20179,532,513'Irrigation system and method'20179,521,812'Irrigation system'20169,423,366'Corrosion sensors'20169,322,854'Non-contact current and voltage sensing method using a clamshell housing and a ferrite cylinder'20169,322,855'Non-contact current and voltage sensor having detachable housing incorporating multiple ferrite cylinder portions'20169,310,397'Multi-branch current/voltage sensor array'20169,241,449'Irrigation system'20169,179,610'Controllable emitter'20159,173,353'Irrigation system'20159,173,354'Irrigation system and method'20159,167,757'Irrigation system and method'20159,149,011'Controllable emitter'20159,063,184'Non-contact current-sensing and voltage-sensing clamp'20159,007,077'Flexible current and voltage sensor'20158,949,040'Methods and apparatus for managing corrosion in buildings'20158,723,534'Methods and apparatus for detection of gaseous corrosive contaminants'20148,680,845'Non-contact current and voltage sensor'20148,643,390'Corrosion sensors'20148,390,306'Corrosion sensors'20136,727,887'Wireless pointing device for remote cursor control'20046,710,346'Active infrared presence sensor'20046,650,313'Method and adapter for performing assistive motion data processing and/or button data processing external to a computer'20036,529,189'Touch screen stylus with IR-coupled selection buttons'20036,204,897'Integrated resistor for measuring touch position in a liquid crystal display device'20016,177,918'Liquid crystal display device employing a guard plane between a layer for measuring touch position and common electrode layer'20016,154,200'Computer input stylus and system'20006,064,753'System and method for distortion control in live-scan inkless fingerprint images'20006,057,903'Liquid crystal display device employing a guard plane between a layer for measuring touch position and common electrode layer'20005,949,402'Optical alignment method for pointing devices'19994,845,684'Acoustic contact sensor for handwritten computer input'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2021Patents assigned to IBM (36)· patent assignee history
1989–2004Based in Fishkill, NY, US· patent location history
2003–2021Based in Wappingers Falls, NY, US· patent location history
2013–2015Patents assigned to HAMANN HENDRIK F (3)· patent assignee history
2014–2016Patents assigned to SCHAPPERT MICHAEL A (4)· patent assignee history
2014–2016Patents assigned to EL-ESSAWY WAEL (3)· patent assignee history
2014–2016Patents assigned to FERREIRA ALEXANDRE PEIXOTO (3)· patent assignee history
2015–2016Based in Yorktown Heights, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 36 | 1989–2021 |
| SCHAPPERT MICHAEL Aself | 4 | 2014–2016 |
| EL-ESSAWY WAEL | 3 | 2014–2016 |
| FERREIRA ALEXANDRE PEIXOTO | 3 | 2014–2016 |
| HAMANN HENDRIK F | 3 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wappingers Falls, New York, US | 27 | 2003–2021 |
| Fishkill, New York, US | 8 | 1989–2004 |
| Yorktown Heights, New York, US | 2 | 2015–2016 |