Inventor

Louis T. Hahn

Inventor

Newark, OH, US

Overview

25→

Patents

1983–2012

Patent span

Chemistry

Primary field (CPC C)

Patents· 25 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds14%

Y10TTechnical subjects covered by former us classification12%

E04DRoof coverings11%

C10CWorking-up pitch, asphalt, bitumen, tar10%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%

C09DCoating compositions, e.g. paints, varnishes or lacquers6%

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 material6%

B29CShaping or joining of plastics5%

B29LIndexing scheme associated with subclass b29c, relating to particular articles5%

PatentTitleYear

8,316,608'Enhanced multi-layered shingle'2012 8,127,514'Enhanced multi-layered shingle'2012 8,025,765'Method of manufacturing a multiple layer directionally oriented nonwoven fiber material'2011 8,012,310'Method of manufacturing a multiple layer directionally oriented nonwoven fiber material'2011 8,006,457'Enhanced multi-layered shingle'2011 7,833,383'Method of manufacturing a multiple layer directionally oriented nonwoven fiber material'2010 7,833,371'Enhanced multi-layered shingle'2010 7,309,668'Multiple layer directionally oriented nonwoven fiber material and methods of manufacturing same'2007 6,872,440'Heat reflective coated structural article'2005 5,787,677'Garage door insulation system'1998 4,647,606'Blend of rapid set asphaltic emulsion with slow set asphalt emulsion'1987 4,554,022'Additives for hot mix asphalt'1985 4,551,178'Additives for hot mix asphalt'1985 4,547,225'Additives for hot mix asphalt'1985 4,456,633'Chip seal technique employing blends of asphaltic emulsions'1984 4,436,767'Slurry seal method using acrylamide and rubber modified asphaltic emulsion'1984 4,436,864'Aqueous emulsions of acrylamide and rubber modified asphalts'1984 4,419,489'Easily emulsifiable acrylamide and rubber modified asphalts'1983 4,394,481'Cationic arcylamide and rubber modified asphalts'1983 4,384,073'Cationic alkenyl azabenzene chemically modified asphalts'1983 4,384,075'Cationic alkenyl azabenzene and rubber modified asphalts'1983 4,384,074'Cationic chemically modified asphalts'1983 4,384,099'Cationic amine modified asphalt compositions'1983 4,383,081'Cationic acrylamide chemically modified asphalts'1983 4,378,447'Cationic amine modified asphalt compositions'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1987Patents assigned to OWENS CORNING FIBERGLASS CORP (15)· patent assignee history

1983–1987Based in Newark, OH, US· patent location history

1998Based in Alma, MI, US· patent location history

2005–2012Patents assigned to ELK PREMIUM BUILDING PROD INC (5)· patent assignee history

2005–2012Based in Waxahachie, TX, US· patent location history

2010Based in Waxahaxhie, TX, US· patent location history

2011–2012Patents assigned to BUILDING MATERIALS INVEST CORP (4)· patent assignee history

2012Patents assigned to BARTOLIC FRANK M (2)· patent assignee history

2012Patents assigned to BINKLEY JESSE A (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OWENS CORNING FIBERGLASS CORP	15	1983–1987
ELK PREMIUM BUILDING PROD INC	5	2005–2012
BUILDING MATERIALS INVEST CORP	4	2011–2012
BARTOLIC FRANK M	2	2012
BINKLEY JESSE A	2	2012

Locations

Location	Patents	Span
Newark, OH, US	15	1983–1987
Waxahachie, Texas, US	8	2005–2012
Waxahaxhie, Texas, US	1	2010
Alma, MI, US	1	1998