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This is a list of inventors whose deaths were in some manner caused by or related to a product, process, procedure, or other innovation that they invented or designed.
== Direct casualties ==
=== Automotive ===
Sylvester H. Roper, inventor of the eponymous steam-powered bicycle, died of a heart attack or subsequent crash during a public speed trial in 1896. It is unknown whether the crash caused the heart attack or the heart attack caused the crash.
William Nelson (c. 1879−1903), a General Electric employee, invented a new way to motorize bicycles. He then fell off his prototype bike d...