Filings by yearApplications with an inventor here, each yearThe most recent years are still filling in.
CompaniesWho files from hereSchlumberger Technology Corporation732 appsHalliburton Energy Services, inc575 appsShell Oil Company286 appsBaker Hughes Incorporated229 appsLandmark Graphics Corporation137 apps
DomainsWhat is invented hereE21B · 1,915 appsG01V · 572 appsC09K · 428 appsG06F · Electric digital data processing291 appsG01N · Investigating or analysing materials169 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