Inventor
William L. Walter
Inventor
Lowell, MA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems31%
H03KPulse technique25%
G01DMeasuring not specially adapted for a specific variable13%
G01BMeasuring length, thickness or similar linear dimensions6%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock6%
G05FSystems for regulating electric or magnetic variables6%
H02JElectric power networks6%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%
PatentTitleYear
8,593,115'Bidirectional power converters'20138,536,840'Bidirectional power converters'20137,511,390'Dual FET output stage with controlled output DV/DT for reduced EMI and input supply noise'20097,224,204'Method and circuit for driving a gate of a MOS transistor negative'20077,218,082'Compensation technique providing stability over broad range of output capacitor values'20076,438,005'High-efficiency, low noise, inductorless step-down DC/DC converter'20026,429,712'Precision set-reset logic circuit and method'20026,411,531'Charge pump DC/DC converters with reduced input noise'20026,326,828'Precision set-reset logic circuit'20016,064,199'Magnetic field change detection circuitry having threshold establishing circuitry'20005,777,465'Circuitry and method for sensing spatial transitions sensed with a magnetic sensor'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2002Patents assigned to ANALOG DEVICES INC (4)· patent assignee history
1998Based in Nashua, NH, US· patent location history
2000Based in Arlington, MA, US· patent location history
2001–2013Based in Lowell, MA, US· patent location history
2002–2013Patents assigned to LINEAR TECHN INC (7)· patent assignee history
2013Patents assigned to DAS SAUPARNA (2)· patent assignee history
2013Patents assigned to WALTER WILLIAM (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LINEAR TECHN INC | 7 | 2002–2013 |
| ANALOG DEVICES INC | 4 | 1998–2002 |
| DAS SAUPARNA | 2 | 2013 |
| WALTER WILLIAMself | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lowell, Massachusetts, US | 9 | 2001–2013 |
| Arlington, Massachusetts, US | 1 | 2000 |
| Nashua, NH, US | 1 | 1998 |