Inventor
Walter Demuth
Inventor
Gerlingen, DE
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F28Fprimary
F28FDetails of heat-exchange and heat-transfer apparatus, of general application30%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact27%
Y10TTechnical subjects covered by former us classification14%
F25BRefrigeration machines, plants or systems11%
B23FMaking gears or toothed racks8%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles5%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%
PatentTitleYear
11,002,494Heat exchanger20218,590,607'Heat exchanger for a motor vehicle'20137,650,935'Heat exchanger, particularly for a motor vehicle'20107,650,934'Heat exchanger'20107,481,266'Heat exchanger for a motor vehicle'20097,347,063'Device for heat exchange'20087,318,470'Device for exchanging heat'20087,146,819'Method of monitoring refrigerant level'20066,772,518'Method of forming flat-tube insertion slots in a header tube'20046,708,508'Method of monitoring refrigerant level'20046,705,386'Serpentine heat exchanger'20046,484,796'Heat-exchanger tube block with a plurality of slotted header tubes'20026,202,741'Heat transfer device for a motor vehicle and method of making same'20014,244,668'Apparatus for forming internal teeth at large workpieces at a gear shaper'19814,205,834'Device for facilitating the alignment of heavy workpieces at a machine table or the like'19804,140,042'Apparatus for machining gear tooth flanks'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1981Patents assigned to MAAG ZAHNRAEDER & MASCHINEN AG (3)· patent assignee history
1979–1981Based in Wallisellen, CH· patent location history
2001–2010Patents assigned to BEHR GMBH & CO (6)· patent assignee history
2001–2013Based in Gerlingen, DE· patent location history
2004Patents assigned to BEHR GMBH & CO STUTTGART (1)· patent assignee history
2008–2013Patents assigned to BEHR GMBH & CO KG (5)· patent assignee history
2008Based in Leonberg, DE· patent location history
2013Patents assigned to DEMUTH WALTER (1)· patent assignee history
2021Based in Weil am Rhein, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BEHR GMBH & CO | 6 | 2001–2010 |
| BEHR GMBH & CO KG | 5 | 2008–2013 |
| MAAG ZAHNRAEDER & MASCHINEN AG | 3 | 1979–1981 |
| BEHR GMBH & CO STUTTGART | 1 | 2004 |
| DEMUTH WALTERself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gerlingen, DE | 11 | 2001–2013 |
| Wallisellen, CH | 3 | 1979–1981 |
| Weil am Rhein, DE | 1 | 2021 |
| Leonberg, DE | 1 | 2008 |