Filings by yearApplications with an inventor here, each yearThe most recent years are still filling in.
CompaniesWho files from hereThe Charles Machine Works, Inc.127 appsHarper Industries, Inc.3 appsAmerican Augers, Inc.3 appsHelmerich & Payne, Inc.2 appsThe Charles Machines Works, Inc.2 apps
DomainsWhat is invented hereE21B · 69 appsE02F · 28 appsG01V · 11 appsB62D · 6 appsG01S · Radio direction-finding, radar, sonar4 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