Inventor
Robert R. Coleman
Inventor
Westminster, CO, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification29%
B23DPlaning14%
B29CShaping or joining of plastics14%
F24FAir-conditioning14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors7%
F16LPipes7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
5,855,154'Method of forming large diameter duct with liner and the product formed thereby'19995,697,282'Apparatus for and method of forming large diameter duct with liner and the product formed thereby'19975,567,504'Glass fiber duct board with coated grooves and the method of making the same'19965,115,957'Apparatus for reinforcing fibrous duct'19924,781,510'Insulation board feeder'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to MANVILLE SERVICE CORP (1)· patent assignee history
1988–1999Based in Westminster, CO, US· patent location history
1992Patents assigned to MANVILLE CORP (1)· patent assignee history
1996–1997Patents assigned to SCHULLER INT INC (2)· patent assignee history
1999Patents assigned to JOHNS MANVILLE INT INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHULLER INT INC | 2 | 1996–1997 |
| JOHNS MANVILLE INT INC | 1 | 1999 |
| MANVILLE CORP | 1 | 1992 |
| MANVILLE SERVICE CORP | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westminster, CO, US | 5 | 1988–1999 |