Inventor · disambiguated record
Stephen Harper
Also filed as: HARPER STEPHEN · HARPER STEPHEN M
9 granted patents·210 citations·filing 1981–2018
89Inventor score
Top patents by PatentIndex Score
9 records- 0180US10034491B1Domed water pipe with supporting trayKALOUD INC·Filed 2017·Granted Jul 31, 2018·5 cites·20 claims
- 0279US4776989AMethod and apparatus for liquid feed to liqiud distributors in fluid-liquid contacting towersDOW CHEMICAL CO·Filed 1987·Granted Oct 11, 1988·50 cites·10 claims
- 0379US4476069ALiquid distributing apparatus for a liquid-vapor contact columnDOW CHEMICAL CO·Filed 1983·Granted Oct 9, 1984·39 cites·2 claims
- 0478US4689183AUltra low flow rate liquid redistributor assembly for use in a liquid-vapor contact towerDOW CHEMICAL CO·Filed 1985·Granted Aug 25, 1987·52 cites·8 claims
- 0578US4432913ALiquid distributing apparatus and method for a liquid-vapor contact columnDOW CHEMICAL CO·Filed 1983·Granted Feb 21, 1984·38 cites·2 claims
- 0662US10092034B2Domed water pipe with supporting trayKALOUD INC·Filed 2017·Granted Oct 9, 2018·1 cites·17 claims
- 0747US10806175B2Systems, method, and device for heat management of heating implements for water pipesKALOUD INC·Filed 2018·Granted Oct 20, 2020·0 cites·20 claims
- 0847US4444696AUltra-low-flowrate liquid distributor systemDOW CHEMICAL CO·Filed 1982·Granted Apr 24, 1984·16 cites·8 claims
- 0936US4369150ALiquid wall flow collector for chemical process towerHARPER STEPHEN M·Filed 1981·Granted Jan 18, 1983·9 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Stephen Harper 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 →