Who holds what · as the FAA records the name

Comet Engine Corporation

Named as the FAA publishes it on its approvals.

Holds 2 type certificates (2 models). FAA spelling: Comet Engine Corporation.

Type certificates 2

ATC 47 CometEngine · 7-E

ATC 9Engine · Comet

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.