Inventor · disambiguated record
Hans-Christian Grassmann
Also filed as: GRASSMANN HANS · GRASSMANN HANS-CHRISTIAN
7 granted patents·1 pending application·57 citations·filing 1975–2006
84Inventor score
Top patents by PatentIndex Score
8 records- 0164US4267461AArrangement for suppressing high frequency currents in bearings of shaftsSIEMENS AG·Filed 1978·Granted May 12, 1981·17 cites·12 claims
- 0248US4218830ADevice for drying the sizing of spun glass filaments or the likeSIEMENS AG·Filed 1978·Granted Aug 26, 1980·10 cites·2 claims
- 0345US4392230AMethod and apparatus for the manufacture of silicon by crucible-free zone meltingSIEMENS AG·Filed 1980·Granted Jul 5, 1983·9 cites·7 claims
- 0444US4428127ADrying apparatus for dyeing bobbins in the textile industrySIEMENS AG·Filed 1982·Granted Jan 31, 1984·8 cites·6 claims
- 0540US4268758AArrangement for suppressing high frequency currents in bearings of shaftsSIEMENS AG·Filed 1979·Granted May 19, 1981·6 cites·4 claims
- 0637US4488362ACapacitive high-frequency drying apparatusSIEMENS AG·Filed 1982·Granted Dec 18, 1984·5 cites·5 claims
- 0737US2009169109A1Device and process for recognizing an object in an imageISOMORPH S R L·Filed 2006·Application pending·0 cites
- 0829US3979836AMethod and apparatus for the high-frequency treatment of moist materialSIEMENS AG·Filed 1975·Granted Sep 14, 1976·2 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Hans-Christian Grassmann files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →