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USPTO Patent Rankings Data through Dec 31, 2025
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Sigmund Hinlein — 10 Patents

DGData General: 5 patents #29 of 327Top 9%
DEDigital Equipment: 5 patents #230 of 2,100Top 15%
Sudbury, MA: #169 of 857 inventorsTop 20%
Massachusetts: #12,897 of 88,656 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Sigmund Hinlein has been granted 10 US patents while listed as an inventor at Data General. The first was granted in 1980 and the most recent in October 1992. Sigmund Hinlein ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Sigmund Hinlein in Sudbury, MA, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5153794 Assembly and method for securing head suspensions on actuator arms 1992-10-06 $5,403,000
5003420 Low profile head-load beam slider arm for disk drive 1991-03-26 $10,308,000
4947275 Detachable head-load beam slider arm for disk drive 1990-08-07 $12,475,000
4912583 Clamp for mounting head-load beam slider arm in a disk drive 1990-03-27 $19,045,000
4503530 Disk hub spindle system Shyam C. Parikh 1985-03-05 $17,056,000
4429336 Disc drive dynamic seal Normand Berube, Pavel Otavsky, Thomas D. Wiseley 1984-01-31 $5,064,000
4387409 Magnetic head arm mounting apparatus Pavel Otavsky 1983-06-07 $3,594,000
4200894 Head adjustment mechanism for rigid magnetic disc memory apparatus Robert Kaseta, Lenn Daugherty, Michael A. Feldstein, Harold Thackaberry 1980-04-29 $4,059,000
4194226 Rigid magnetic disc memory apparatus including open loop stepper-motor-driven read/write head Robert Kaseta, Lenn Daugherty 1980-03-18 $3,878,000
4185310 Cooling apparatus for spinning magnetic disc memory apparatus Robert Kaseta, Lenn Daugherty, David Chastain 1980-01-22 $1,782,000