Inventor
Friedrich Berger
Inventor
Brand-Erbisdorf, DE
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C10Jprimary
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases35%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide12%
B27GAccessory machines or apparatus for working wood or similar materials4%
B27LRemoving bark or vestiges of branches4%
C01BNon-metallic elements4%
C22BProduction and refining of metals4%
F27BFurnaces, kilns, ovens or retorts in general4%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace4%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact4%
PatentTitleYear
5,456,300'Cutter block and knife for a cutter spindle chipper'19954,732,606'Process of treating aluminum-containing fused slag'19884,710,202'Apparatus for gasifying pulverized coal'19874,707,163'Gasification of coal dust'19874,704,971'Pulverized-coal burner'19874,455,949'Burner for gasification of powdery fuels'19844,369,163'Thermal shielding for bottoms and covers of reaction vessels'19834,367,076'Method and apparatus for processing of dust-contaminated hot product gas'19834,343,626'Reactor for producing a carbon monoxide and hydrogen containing gas'19824,325,709'Method for the operation of gasification plants for pulverized fuels'19824,305,732'Gasification apparatus with pressure relieving means'19814,300,913'Apparatus and method for the manufacture of product gas'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1987Patents assigned to FREIBERG BRENNSTOFFINST (9)· patent assignee history
1981–1987Based in Brand-Erbisdorf, DE· patent location history
1983Patents assigned to BRENNSTOFFINSTITUT FREIBERG DD (1)· patent assignee history
1983Patents assigned to GNI I PI AZORTNOI PROMY I PROD (1)· patent assignee history
1983Patents assigned to GNII PI AZOTNOJ (1)· patent assignee history
1988Based in Neuberg, DE· patent location history
1995Patents assigned to BOEHLER YBBSTALWERKE (1)· patent assignee history
1995Based in Bohlerwerk, AT· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FREIBERG BRENNSTOFFINST | 9 | 1981–1987 |
| BOEHLER YBBSTALWERKE | 1 | 1995 |
| BRENNSTOFFINSTITUT FREIBERG DD | 1 | 1983 |
| GNI I PI AZORTNOI PROMY I PROD | 1 | 1983 |
| GNII PI AZOTNOJ | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Brand-Erbisdorf, DE | 10 | 1981–1987 |
| Bohlerwerk, AT | 1 | 1995 |
| Neuberg, DE | 1 | 1988 |