timeline

The company was renamed “Leupold and Stevens Instrument Company” after the death of founder Adam Volpel and to better reflect the company’s current focus.

The Telemark, the first remote water level reporting device, was introduced by JC Stevens. The product was patented two years later in 1939.

JC Stevens joins Marcus Leupold and Adam Voelpel’s company, firm renamed to “Leupold, Volpel & Company”.

Stevens Water Monitoring Systems was originally founded as “Leupold & Voelpel” in 1907 by brothers-in-law Marcus Friedrich (Fred) Leupold and Adam Voelpel. The firm, located in Portland, Oregon was primarily focused on the repair and manufacture of surveying equipment.

JC Stevens invents the Type A chart recorder, the first continuous stage recording device. This original design is the basis for today’s Type A and Type F recorders.