Inventor

Karl Uhl

Inventor

Frankenthal, DE

Overview

25→

Patents

1976–2009

Patent span

Physics

Primary field (CPC G)

Patents· 25 as inventor

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer61%

H01FMagnets6%

H05KPrinted circuits6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

Y10TTechnical subjects covered by former us classification6%

C04BLime, magnesia3%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application3%

G01RMeasuring electric variables3%

G06KGraphical data reading3%

PatentTitleYear

7,548,170'Rear door heat exchanger instrumentation for heat quantity measurement'2009 7,486,511'Passive rear door for controlled hot air exhaust'2009 4,382,244'Device for magnetically orienting the magnetizable particles or magnetic recording media in a preferred direction'1983 4,319,354'Device for positioning magnetic heads in memory processing units'1982 4,216,510'Drive apparatus for magnetic discs'1980 4,206,489'Device for the automatic loading/unloading of at least one magnetic head in a magnetic disc drive'1980 4,201,149'Apparatus for spin coating in the production of thin magnetic layers for magnetic discs'1980 4,201,356'Cartridge arrangement comprising an adapter'1980 4,198,666'Positioning device for a write/read magnetic head in a magnetic-disc data storage device'1980 4,196,456'Magnetic head pivotal support with compact drive means'1980 4,157,576'Track-dependent transducer position control in magneto-dynamic storage devices, and a magnetic recording medium to which this method is applicable'1979 RE029976'Tape cartridge which is normally closed but is pivoted to open position when taken into use, and transport apparatus for such a cartridge'1979 4,133,911'Manufacture of magnetic discs'1979 4,128,852'Tape transport mechanism for recording and playing back video signals'1978 4,127,882'Change-over mechanism for recording media, especially for floppy disks'1978 4,101,027'Magazine for a plurality of recording media'1978 4,058,646'Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating'1977 4,046,932'Magnetic recording discs'1977 4,014,042'Tape recorder and magnetic tape cassette'1977 4,003,336'Device for the magnetic orientation of magnetic recording media'1977 3,987,489'Tape cartridge which is normally closed but is pivoted to open position when taken into use, and transport apparatus for such a cartridge'1976 3,984,763'Device for the non-destructive measurement of the remanent flux density of magnetic recording media, especially magnetic discs'1976 RE028863'Guide elements for magnetic tapes wound or to be wound in the form of packs on flangeless spools'1976 3,961,990'Manufacture of magnetic materials which exhibit exchange anisotropy'1976 3,959,032'Magnetic materials with exchange anisotropy and process for their manufacture'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to BASF AG (21)· patent assignee history

1976–1983Based in Frankenthal, DE· patent location history

2009Patents assigned to IBM (2)· patent assignee history

2009Based in Weil im Schonbuch, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	21	1976–1983
IBM	2	2009

Locations

Location	Patents	Span
Frankenthal, DE	23	1976–1983
Weil im Schonbuch, DE	2	2009