Inventor

David Albert Dietz

Inventor
Houston, TX, US

Overview

10→
Patents
1986–2015
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 10 as inventor

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

E21Bprimary
E21BEarth or rock drilling47%
H04LTransmission of digital information, e.g. telegraphic communication20%
Y10TTechnical subjects covered by former us classification20%
G01BMeasuring length, thickness or similar linear dimensions7%
G01FMeasuring volume, volume flow, mass flow or liquid level7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Based in Glendale, AZ, US· patent location history
2011–2015Patents assigned to HYDRIL USA MFG LLC (7)· patent assignee history
2011–2012Patents assigned to DIETZ DAVID A (2)· patent assignee history
2011–2012Patents assigned to EDDY BRETT A (2)· patent assignee history
2011–2012Patents assigned to HONEYWELL INT INC (2)· patent assignee history
2011–2015Based in Houston, TX, US· patent location history
2011–2012Based in Scottsdale, AZ, US· patent location history
2012–2013Based in Tomball, TX, US· patent location history
2013–2015Patents assigned to DIETZ DAVID ALBERT (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HYDRIL USA MFG LLC72011–2015
DIETZ DAVID ALBERTself42013–2015
DIETZ DAVID Aself22011–2012
EDDY BRETT A22011–2012
HONEYWELL INT INC22011–2012
Locations
LocationPatentsSpan
Houston, Texas, US52011–2015
Tomball, Texas, US22012–2013
Scottsdale, AZ, US22011–2012
Glendale, AZ, US11986