Inventor
Michael Walker
Inventor
Baltmannsweiler, DE
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Lprimary
B60LPropulsion of electrically-propelled vehicles14%
Y02TClimate change mitigation technologies related to transportation14%
H02JElectric power networks9%
H04MTelephonic communication6%
B60MPower supply lines, and devices along rails, for electrically- propelled vehicles5%
G10LSpeech analysis techniques or speech synthesis5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids5%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%
PatentTitleYear
10,723,231Systems and methods for charging an electric vehicle at a charging station202010,505,164Low-floor electric vehicle201910,384,553Systems and methods for charging an electric vehicle at a charging station201910,128,564System and apparatus for clothing with embedded passive repeaters for wireless communication201810,112,498Overhead charging systems for electric vehicles20189,975,444Systems and methods for charging an electric vehicle at a charging station20189,908,435'Electric vehicle overhead charging system'20189,905,893'Battery system cooling'20189,764,653'Systems and methods for charging an electric vehicle at a charging station'20179,742,060'Ceiling assembly with integrated repeater antenna'20179,718,367'Side-facing vehicle charging system'20179,680,139'Low-floor electric vehicle'20179,627,772'Passive repeater for wireless communications'20179,496,730'Systems and methods for battery management'20169,446,672'Charging systems for electric vehicles'20169,425,495'Active antenna ceiling tile'20169,365,128'Systems and methods for automatic connection and charging of an electric vehicle at a charging station'20169,321,366'Electric vehicle charging by adjusting charger current'20169,252,417'Low-floor electric bus'20168,829,853'Methods and systems for charging vehicles'20148,453,773'Vehicle battery systems and methods'20138,324,858'Charging stations for electric vehicles'20127,734,472'Speech recognition enhancer'20106,999,920'Exponential echo and noise reduction in silence intervals'20066,842,526'Adaptive noise level estimator'20056,801,889'Time-domain noise suppression'20046,539,350'Method and circuit arrangement for speech level measurement in a speech signal processing system'20036,498,850'Multichannel echo canceller with a compander'20026,493,448'Process for echo suppression with adaptive fir filters'20026,483,915'Equipment and processes for echo suppression with adaptive fir filters'20026,459,789'Process for determining an echo coupling factor and the echo delay time in a bidirectional telecommunications system'20026,434,234'Process for improving the echo suppression in a telecommunications system'20026,320,918'Procedure for reducing interference in the transmission of an electrical communication signal'20016,041,290'Method of adaptively adjusting the coefficients of a digital filter in an echo canceller'20005,909,489'Method of and circuit arrangement for improving the transmission properties of an echo affected transmission link in a telecommunications network'19995,901,230'Hands-free communication method for a multichannel transmission system'19995,570,423'Method of providing adaptive echo cancellation'19965,467,394'Method of improving sidetone attenuation in electroacoustic systems'19955,359,653'Circuit arrangement for controlling the volume range of a voice terminal'19945,068,903'Method of and arrangement for linearizing the frequency response of a loudspeaker system'19914,891,837'Voice control circuit for a communication terminal'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1999Patents assigned to ALCATEL NV (6)· patent assignee history
1990–2006Based in Baltmannsweiler, DE· patent location history
2000–2010Patents assigned to CIT ALCATEL (12)· patent assignee history
2012–2020Patents assigned to PROTERRA INC (18)· patent assignee history
2012–2016Patents assigned to WALKER MICHAEL (4)· patent assignee history
2012–2016Based in Thornton, CO, US· patent location history
2016–2018Patents assigned to WALKER MICHAEL CLYDE (4)· patent assignee history
2016–2018Based in Coronado, CA, US· patent location history
2016–2017Based in Greenville, SC, US· patent location history
2017–2020Based in Daly City, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PROTERRA INC | 18 | 2012–2020 |
| CIT ALCATEL | 12 | 2000–2010 |
| ALCATEL NV | 6 | 1990–1999 |
| WALKER MICHAELself | 4 | 2012–2016 |
| WALKER MICHAEL CLYDEself | 4 | 2016–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baltmannsweiler, DE | 18 | 1990–2006 |
| Daly City, California, US | 7 | 2017–2020 |
| Coronado, California, US | 4 | 2016–2018 |
| Thornton, CO, US | 4 | 2012–2016 |
| Greenville, SC, US | 3 | 2016–2017 |