Inventor

Samuel Smith

Inventor

St. Paul, MN, US

Overview

9→

Patents

1976–2005

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification28%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds22%

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials11%

E06CLadders11%

B29CShaping or joining of plastics6%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%

B60DVehicle connections6%

C08CTreatment or chemical modification of rubbers6%

C08JWorking-up6%

PatentTitleYear

6,976,695'Trailer hitch coupler lock assembly'2005 4,868,006'Polymeric film with reduced surface friction'1989 4,440,263'Attachment to a ladder'1984 4,406,350'Safety device for ladders'1983 4,376,190'Cation complexes between cation guests and polymer hosts that contain cyclic ether units'1983 4,260,702'Polymers containing cyclic ether units joined through 2,6-diyl linkages'1981 4,061,624'Process for prepolymers and products'1977 4,043,964'Carpet treating and treated carpet'1977 3,987,227'Durably stain-repellant and soil-resistant pile fabric and process'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to MINNESOTA MINING & MFG (6)· patent assignee history

1976–1977Based in Roseville, MN, US· patent location history

1981–1989Based in St. Paul, MN, US· patent location history

1983–1984Patents assigned to SMITH SAMUEL D (2)· patent assignee history

1983–1984Based in Perthshire, GB· patent location history

2005Patents assigned to SDS ENTPR L L C (1)· patent assignee history

2005Based in Piedmont, OK, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINNESOTA MINING & MFG	6	1976–1989
SMITH SAMUEL Dself	2	1983–1984
SDS ENTPR L L C	1	2005

Locations

Location	Patents	Span
St. Paul, Minnesota, US	3	1981–1989
Roseville, Minnesota, US	3	1976–1977
Perthshire, GB	2	1983–1984
Piedmont, OK, US	1	2005