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Inventor

John L. Clements

Inventor
Phoenix, AZ, US

Overview

3→
Patents
1983–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Qprimary
H04QSelecting40%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
E21BEarth or rock drilling20%
H04MTelephonic communication20%
PatentTitleYear
11,008,503Water-in-oil hydraulic fracturing fluid and method of using such20214,596,015'Failure detection apparatus for use with digital pads'19864,413,335'Fault recovery apparatus for a PCM switching network'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to GTE AUTOMATIC ELECTRIC LAB INC (1)· patent assignee history
1983–1986Based in Phoenix, AZ, US· patent location history
1986Patents assigned to GTE AUTOMATIC ELECTRIC INC (1)· patent assignee history
2021Patents assigned to INDORAMA VENTURES OXIDES LLC (1)· patent assignee history
2021Based in The Woodlands, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GTE AUTOMATIC ELECTRIC INC11986
GTE AUTOMATIC ELECTRIC LAB INC11983
INDORAMA VENTURES OXIDES LLC12021
Locations
LocationPatentsSpan
Phoenix, AZ, US21983–1986
The Woodlands, Texas, US12021