Inventor
Heinz H. Rieger
Inventor
Toronto, CA
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F24Bprimary
F24BDomestic stoves or ranges for solid fuels37%
F24CDomestic stoves or ranges16%
F23GCremation furnaces11%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general5%
F23DBurners5%
F23JRemoval or treatment of combustion products or combustion residues5%
F23MCasings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridges5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
6,425,390'Unvented heating appliance having system for reducing undesirable combustion products'20026,216,687'Unvented heating appliance having system for reducing undesirable combustion products'20015,983,890'Fireplace having multi-zone heating control'19995,958,787'Polymer sensor'19995,313,932'Hood for fireplace'19944,924,850'Method and adaptor for installing flue liner to a fireplace insert'19904,909,227'Direct top venting high efficiency fireplace'19904,862,993'Fireplace flue ambient noise reducing device'19894,838,241'Fireplace natural gas and propane burner assembly'19894,838,240'Fireplace gas burner assembly'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1990Patents assigned to RIEGER HEINZ H (5)· patent assignee history
1989–2002Based in Toronto, CA· patent location history
1994Patents assigned to 729819 ONTARIO LIMITED (1)· patent assignee history
1999Patents assigned to CANADIAN GAS RESEARCH INST (1)· patent assignee history
1999Patents assigned to TICONA GMBH (1)· patent assignee history
1999Based in Eppstein, DE· patent location history
2001–2002Patents assigned to MAJESTIC PRODUCTS COMPANY (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RIEGER HEINZ Hself | 5 | 1989–1990 |
| MAJESTIC PRODUCTS COMPANY | 2 | 2001–2002 |
| 729819 ONTARIO LIMITED | 1 | 1994 |
| CANADIAN GAS RESEARCH INST | 1 | 1999 |
| TICONA GMBH | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toronto, CA | 9 | 1989–2002 |
| Eppstein, DE | 1 | 1999 |