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Inventor

David A. Gray

Inventor
St. Paul, MN, US

Overview

24→
Patents
1976–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 24 as inventor

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

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
F16LPipes8%
Y10TTechnical subjects covered by former us classification8%
A61FFilters implantable into blood vessels5%
B29CShaping or joining of plastics5%
C09JAdhesives5%
A01KAnimal husbandry3%
A01NPreservation of bodies of humans or animals or plants or parts thereof3%
A41DOuterwear3%
A61BDiagnosis3%
PatentTitleYear
10,328,625Coextruded arc-induced materials201910,182,946Advanced fabric technology and filters20199,901,128'Antimicrobial apparel and fabric and coverings'20189,447,307'Extendable self-supporting material'20169,427,945'Extendable self-supporting material composites and manufacture thereof'20169,376,600'Extendable self-supporting material'20169,095,422'Method and structure for nasal dilator'20158,695,269'Fishing rod with line indicator grip'20147,801,808'Database structure for financial products with unique, consistent identifier for parties that assume roles with respect to the products and methods of using the database structure'2010D0500547'Reel'20056,782,950'Control wellhead buoy'20046,449,896'Crop weighing'20025,857,715'Pipeline branch arrangement'19995,477,900'Non-jamming pulpwood chipper chute and spout assembly'19955,455,191'Method of fabricating an ASIC cell having multiple contacts'19955,417,459'Subsea umbilical connector'19955,381,057'ECL gate having active pull-down transistor'19955,178,429'Pipeline recovery head'19935,044,827'Method for recovering wet buckled pipe'19914,535,838'Heat exchange coil and method of making'19854,367,638'Reversible compressor heat pump'19834,223,222'Suspended arm for a scintillation camera'19804,176,826'Safety catch apparatus for a suspension system'19793,939,874'External pipe coatings for a reinforced pipe'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1983Patents assigned to GEN ELECTRIC (3)· patent assignee history
1983–1985Based in Tyler, TX, US· patent location history
1991–1993Patents assigned to DIVERLESS SYSTEMS INC (2)· patent assignee history
1991–1999Based in Cypress, TX, US· patent location history
1995Based in Santa Clara, CA, US· patent location history
2005–2015Patents assigned to GRAY DAVID (2)· patent assignee history
2005–2014Based in Lee's Summit, MO, US· patent location history
2014–2018Patents assigned to GRAY DAVID A (3)· patent assignee history
2015–2019Patents assigned to LIBERMAN DISTRIBUTING AND MFG CO (5)· patent assignee history
2015–2019Based in St. Paul, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LIBERMAN DISTRIBUTING AND MFG CO52015–2019
GEN ELECTRIC31979–1983
GRAY DAVID Aself32014–2018
DIVERLESS SYSTEMS INC21991–1993
GRAY DAVIDself22005–2015
Locations
LocationPatentsSpan
St. Paul, Minnesota, US72015–2019
Cypress, Texas, US41991–1999
Lee's Summit, MO, US22005–2014
Santa Clara, California, US21995
Tyler, Texas, US21983–1985