Filings by yearApplications with an inventor here, each yearThe most recent years are still filling in.
CompaniesWho files from hereSchlumberger Technology Corporation35 appsMHWirth AS26 appsNational Oilwell Varco Norway AS18 appsCameron International Corporation16 appsGrant Prideco, Inc.11 apps
InventorsThe most prolific inventors hereInventor 126 appsInventor 222 appsInventor 318 appsInventor 414 appsInventor 510 appsInventor 66 appsUnlock the inventors hereIncluded in Pro, from $29 a month. Cancel any time.See plans Sign in