Inventor

William B. Twitty

Inventor

Santa Cruz, CA, US

Overview

10→

Patents

1990–1998

Patent span

Electricity

Primary field (CPC H)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G08Cprimary

G08CTransmission systems for measured values, control or similar signals16%

H05BElectric heating16%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications16%

G05BControl or regulating systems in general8%

H02JElectric power networks8%

H04LTransmission of digital information, e.g. telegraphic communication8%

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 grids8%

H04QSelecting5%

H04WWireless communication networks5%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%

PatentTitleYear

5,844,888'Network and intelligent cell for providing sensing, bidirectional communications and control'1998 5,475,687'Network and intelligent cell for providing sensing, bidirectional communications and control'1995 5,018,138'Protocol for network having a plurality of intelligent cells'1991 4,969,146'Protocol for network having a plurality of intelligent cells'1990 4,969,147'Network and intelligent cell for providing sensing, bidirectional communications and control'1990 4,955,018'Protocol for network having plurality of intelligent cells'1990 4,947,484'Protocol for network having a plurality of intelligent cells'1990 4,941,143'Protocol for network having a plurality of intelligent cells'1990 4,939,728'Network and intelligent cell for providing sensing bidirectional communications and control'1990 4,918,690'Network and intelligent cell for providing sensing, bidirectional communications and control'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to ECHELON SYSTEMS (8)· patent assignee history

1990–1998Based in Santa Cruz, CA, US· patent location history

1995–1998Patents assigned to ECHELON CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ECHELON SYSTEMS	8	1990–1991
ECHELON CORP	2	1995–1998

Locations

Location	Patents	Span
Santa Cruz, California, US	10	1990–1998