Inventor

David McDonald

Inventor

Glenview, IL, US

Overview

6→

Patents

2007–2015

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C04Bprimary

C04BLime, magnesia19%

E04FFinishing work on buildings, e.g. stairs, floors19%

C09DCoating compositions, e.g. paints, varnishes or lacquers10%

Y10TTechnical subjects covered by former us classification10%

B02CCrushing, pulverising, or disintegrating in general5%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties5%

D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material5%

E04BGeneral building constructions5%

PatentTitleYear

9,067,383'Flexible and rollable cementitious membrane and method of manufacturing it'2015 8,618,445'Heating system'2013 7,908,810'Corrugated steel deck system including acoustic features'2011 7,861,955'Wet-grinding gypsum with polycarboxylates'2011 7,736,764'Surface enhancing coating for gypsum-containing floor underlayments'2010 7,276,549'Surface enhancing coating for gypsum-containing floor underlayments'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2015Patents assigned to UNITED STATES GYPSUM CO (6)· patent assignee history

2007–2015Based in Glenview, IL, US· patent location history

2013–2015Patents assigned to DUBEY ASHISH (2)· patent assignee history

2013Patents assigned to MCDONALD DAVID B (1)· patent assignee history

2015Patents assigned to GROZA PETE (1)· patent assignee history

2015Patents assigned to MCDONALD DAVID BRUCE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNITED STATES GYPSUM CO	6	2007–2015
DUBEY ASHISH	2	2013–2015
GROZA PETE	1	2015
MCDONALD DAVID Bself	1	2013
MCDONALD DAVID BRUCEself	1	2015

Locations

Location	Patents	Span
Glenview, Illinois, US	6	2007–2015