Inventor · disambiguated record
Josef F. Drs
Also filed as: DRS JOSEF F · DRS JOSEF FRANZ
6 granted patents·301 citations·filing 1993–1996
87Inventor score
Top patents by PatentIndex Score
6 records- 0194US5494516AWorkable cementitious compositionsSANDOZ LTD·Filed 1993·Granted Feb 27, 1996·96 cites·6 claims
- 0291US5609681AWorkable cementitious compositionsSANDOZ LTD·Filed 1995·Granted Mar 11, 1997·89 cites·7 claims
- 0380US5413819AShotcrete compositionsSANDOZ LTD·Filed 1993·Granted May 9, 1995·34 cites·11 claims
- 0474US5911819ACement spraying admixtureMBT HOLDING AG·Filed 1996·Granted Jun 15, 1999·32 cites·18 claims
- 0573US5356671AConcrete spraying processSANDOZ LTD·Filed 1993·Granted Oct 18, 1994·26 cites·15 claims
- 0669US5753037AFluidity control of cementitious compositionsMBT HOLDING AG·Filed 1995·Granted May 19, 1998·24 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Josef F. Drs 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 →