Inventor · Woodstock, IL, US

Ronald E. Kieras

39Patents
11h-index
15Co-inventors
72Inventor score

Filing activity: Jun 5, 1985 → Aug 22, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD449524S Squeezable dispensing tube and cap General 52 Expired
US4685820A Applicator device Performing Operations; Transporting 50 Expired
US4792252A Liquid applicator device Performing Operations; Transporting 43 Expired
US4848947A Liquid applicator device with tilt valve Human Necessities 24 Expired
US6129880A Method of forming a headed thermoplastic tube with a reusable closure in a single step Emerging Cross-Sectional Technologies 19 Expired
US5918783A Thermoplastic squeeze tube with self-sealing dispensing orifice Performing Operations; Transporting 19 Expired
US5137180A Vented aerosol device Performing Operations; Transporting 19 Expired
US5911344A Rigid thermoplastic squeeze container having self-sealing dispensing valve Performing Operations; Transporting 14 Expired
US6165395A Process control method for a machine for manufacturing thermoplastic tubes Performing Operations; Transporting 14 Expired
US6047525A Plant for manufacturing and packing thermoplastic tubes Performing Operations; Transporting 12 Expired
US6221189A Method for manufacturing thermoplastic tubes Performing Operations; Transporting 12 Expired
US5527577A Flexible eduction tube for hand dispenser Emerging Cross-Sectional Technologies 10 Expired
US6334767B1 Machine for manufacturing thermoplastic tubes Performing Operations; Transporting 8 Expired
US6588178B1 Method of forming plastic tubes with oriented labeling Performing Operations; Transporting 7 Expired
US5746356A Rotatable spout dispensing tube Performing Operations; Transporting 7 Expired
US5797518A Twist cap dispensing flexible tube Performing Operations; Transporting 5 Expired
US11851256B2 System for preventing blockage of evacuation of flexible packaging Performing Operations; Transporting 4 Active
USD958939S1 Vacuum break twist tap General 2 Active
US11572224B2 Piercing cap and piercer Performing Operations; Transporting 2 Active
US10266315B2 Upright dispenser Performing Operations; Transporting 2 Active
USD947993S1 Vacuum break twist tap General 2 Active
US10981705B2 Dual receptacle, multi-function button system Performing Operations; Transporting 1 Active
US11286153B1 Delayed venting of a dual receptacle, multifunction button system Performing Operations; Transporting 1 Active
US11628984B2 Pierceable closure valve assembly Performing Operations; Transporting 1 Active
USD948667S1 Vacuum break twist tap General 1 Active

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