Inventor · disambiguated record
Mark S. Keys
Also filed as: KEYS MARK S
2 granted patents·98 citations·filing 1992–1993
67Inventor score
Top patents by PatentIndex Score
2 records- 0187US5197324AMethods and apparatus using a gel to isolate mainline valves in a pipeline during a hydrotestDOWELL SCHLUMBERGER INC·Filed 1992·Granted Mar 30, 1993·79 cites·27 claims
- 0246US5419183AMethods and apparatus using a hydrocarbon gel to isolate mainline valves in a pipeline during a hydrotestHYDROCHEM IND SERVICES INC·Filed 1993·Granted May 30, 1995·19 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when Mark S. Keys 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 →