The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Sensenich Propeller Manufacturing Company INC.

Named as the FAA publishes it on its approvals.

Holds 4 type certificates (13 models). FAA spelling: Sensenich Propeller Manufacturing Company Inc..

Type certificates 4

TC 841Propeller · C-2FM6-1, C-2FM5, C-2FB1, C-2FM4, C-2FB2, C-2FM3
P-861Propeller · CS-2FM4, CS-2FM6, CS-2FM5
P-869Propeller · CS-3FM4, CS-3FR5
TC 836Propeller · C3FC3, C3FR4

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.