Inventor · disambiguated record
Jan M. Maarschalkerweerd
Also filed as: MAARSCHALKERWEERD JAN · MAARSCHALKERWEERD JAN M
10 granted patents·726 citations·filing 1984–2000
93Inventor score
Files withTROJAN TECHN INC10
Top patents by PatentIndex Score
10 records- 0198US4482809AUltraviolet fluid purifying deviceTROJAN TECHN INC·Filed 1984·Granted Nov 13, 1984·146 cites·10 claims
- 0295US5418370AFluid treatment system and processTROJAN TECHN INC·Filed 1993·Granted May 23, 1995·103 cites·39 claims
- 0394US5006244AFluid purification deviceTROJAN TECHN INC·Filed 1989·Granted Apr 9, 1991·98 cites·16 claims
- 0488US5590390AFluid treatment system and processTROJAN TECHN INC·Filed 1994·Granted Dec 31, 1996·55 cites·46 claims
- 0586USRE36896EFluid treatment system and processTROJAN TECHN INC·Filed 1994·Granted Oct 3, 2000·59 cites·48 claims
- 0686US5539210ARadiation sensor with means to remove fouling materialsTROJAN TECHN INC·Filed 1995·Granted Jul 23, 1996·60 cites·11 claims
- 0775US4872980AFluid purification deviceTROJAN TECHN INC·Filed 1988·Granted Oct 10, 1989·88 cites·35 claims
- 0874US5539209AMethod of cleaning fouling materials from a radiation moduleTROJAN TECHN INC·Filed 1994·Granted Jul 23, 1996·36 cites·47 claims
- 0966US6659431B1Fluid treatment system and cleaning apparatus thereforTROJAN TECHN INC·Filed 2000·Granted Dec 9, 2003·22 cites·29 claims
- 1065US5504335AFluid treatment device and methodTROJAN TECHN INC·Filed 1994·Granted Apr 2, 1996·59 cites·28 claims
Join the waitlist — get patent alerts
Get an alert when Jan M. Maarschalkerweerd 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 →