Inventor · Ames, IA, US

Robert L. Terpstra

22Patents
13h-index
27Co-inventors
81Inventor score

Filing activity: Aug 5, 1992 → Sep 3, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5372629A Method of making environmentally stable reactive alloy powders Emerging Cross-Sectional Technologies 125 Expired
US5811187A Environmentally stable reactive alloy powders and method of making same Emerging Cross-Sectional Technologies 90 Expired
US5527628A Pb-free Sn-Ag-Cu ternary eutectic solder Emerging Cross-Sectional Technologies 56 Expired
US5277705A Powder collection apparatus/method Performing Operations; Transporting 36 Expired
US6142382A Atomizing nozzle and method Performing Operations; Transporting 32 Expired
US5366688A Heat sink and method of fabricating Electricity 32 Expired
US6231691A Lead-free solder Performing Operations; Transporting 26 Expired
US5523049A Heat sink and method of fabricating Electricity 25 Expired
US6425504B1 One-piece, composite crucible with integral withdrawal/discharge section Performing Operations; Transporting 21 Expired
US5738705A Atomizer with liquid spray quenching Performing Operations; Transporting 19 Expired
US5589199A Apparatus for making environmentally stable reactive alloy powders Emerging Cross-Sectional Technologies 17 Expired
US6533563B1 Atomizing apparatus for making polymer and metal powders and whiskers Chemistry; Metallurgy 16 Expired
US6074453A Ultrafine hydrogen storage powders Emerging Cross-Sectional Technologies 15 Expired
US6358466B1 Thermal sprayed composite melt containment tubular component and method of making same Emerging Cross-Sectional Technologies 10 Expired
US6171433A Method of making polymer powders and whiskers as well as particulate products of the method and atomizing apparatus Chemistry; Metallurgy 8 Expired
US5423520A In-situ control system for atomization Performing Operations; Transporting 8 Expired
US7699905B1 Dispersoid reinforced alloy powder and method of making Emerging Cross-Sectional Technologies 6 Active
US8197574B1 Dispersoid reinforced alloy powder and method of making Emerging Cross-Sectional Technologies 4 Active
US9833835B2 Dispersoid reinforced alloy powder and method of making Emerging Cross-Sectional Technologies 1 Active
US7611565B1 Device for hydrogen separation and method Chemistry; Metallurgy 1 Active
US9782827B2 Dispersoid reinforced alloy powder and method of making Emerging Cross-Sectional Technologies 0 Active
US8864870B1 Dispersoid reinforced alloy powder and method of making Emerging Cross-Sectional Technologies 0 Active

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