Inventor · Valparaiso, IN, US

Robert W. Steingass

27Patents
14h-index
19Co-inventors
78Inventor score

Filing activity: Jun 21, 1982 → Apr 14, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6102308A Self-educing nozzle Performing Operations; Transporting 47 Expired
US6418628B1 Spring-loaded car window breaker and retractable safety sheath Performing Operations; Transporting 41 Expired
US6354320B1 Acceleration sensitive shut off valve for firefighting equipment Emerging Cross-Sectional Technologies 40 Expired
US4944460A Multifunction nozzle Performing Operations; Transporting 38 Expired
US7195181B2 Disc for moving slide valve Human Necessities 37 Expired
US4589439A Fire apparatus valve Emerging Cross-Sectional Technologies 34 Expired
US4653693A Fire fighting fog nozzle Emerging Cross-Sectional Technologies 34 Expired
US5848752A Foam aeration nozzle Performing Operations; Transporting 32 Expired
US4470549A Fire hose nozzle Performing Operations; Transporting 28 Expired
US5312048A Regulating nozzle with adjustable effective area baffle Emerging Cross-Sectional Technologies 28 Expired
US6113004A Portable kit for firefighters Human Necessities 27 Expired
US6305621A Pivoting fluid conduit joint and one-way brake Mechanical Engineering; Lighting; Heating 24 Expired
US7137578B2 Segmented monitor Emerging Cross-Sectional Technologies 21 Expired
US4485877A Wall penetrating fire extinguishing device Human Necessities 18 Expired
US7367361B2 Eductor apparatus Emerging Cross-Sectional Technologies 14 Expired
US9272171B2 Pivoting fluid conduit sequencing mechanism Mechanical Engineering; Lighting; Heating 12 Active
US7147062B2 Cable management apparatus Human Necessities 11 Expired
US6820630B2 Swiveling intake elbow for dry sectional gate valve Emerging Cross-Sectional Technologies 10 Expired
USRE40441E1 Pivoting fluid conduit joint and one-way brake General 8 Expired
USD414243S Water monitor General 8 Expired
US7418770B2 Apparatus for securing a coupling or a fitting to a spiral bead hose Emerging Cross-Sectional Technologies 4 Expired
US7059539B2 Motorized/manual monitor lift Human Necessities 2 Expired
USD900576S1 Hydraulic spreader General 1 Active
US12409353B2 Telescoping waterway with integrated valve Human Necessities 0 Active
US11933649B2 Measuring device with self-powering annular turbine Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.