Inventor · Nes Ziona, IL

Daniel Ratner

40Patents
10h-index
12Co-inventors
68Inventor score

Filing activity: Sep 21, 2011 → Feb 6, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8998128B2 Umbrella valves to inflate bladder in balloon envelope Performing Operations; Transporting 36 Active
US9242712B1 Tendon mounting system Performing Operations; Transporting 35 Active
US9090323B1 Controlling descent of a zero pressure balloon Performing Operations; Transporting 34 Active
US9346532B1 Fill port for a balloon Performing Operations; Transporting 34 Active
US9174720B1 Actuated umbrella valves to deflate bladder in balloon envelope Performing Operations; Transporting 31 Active
US9010691B1 Parachute deployment system Performing Operations; Transporting 29 Active
US9016634B1 Payload cut-down mechanism Performing Operations; Transporting 28 Active
US9097361B1 Actuated elastomer valve Performing Operations; Transporting 28 Active
US9120551B1 Balloon launch tower Performing Operations; Transporting 21 Active
US9327844B2 Methods and mechanisms for balloon launching Performing Operations; Transporting 11 Active
US8941777B1 System and method for capturing images of a geographic area Mechanical Engineering; Lighting; Heating 7 Active
US10714069B1 Systems and methods for tuning propeller noise Performing Operations; Transporting 7 Active
US9266599B1 Apparatus to lift and fill a balloon Performing Operations; Transporting 7 Active
US8467674B1 Walking stick with IMU Electricity 6 Active
US9663215B1 Controlling descent of a zero pressure balloon Performing Operations; Transporting 5 Active
US9643707B1 Fill port for a balloon Performing Operations; Transporting 4 Active
US9643708B2 Apparatus to lift and fill a balloon Performing Operations; Transporting 4 Active
US9650123B2 Mechanical assembly for lifting a balloon Performing Operations; Transporting 4 Active
US10369976B1 Systems and methods for rapidly decelerating a vehicle Performing Operations; Transporting 4 Active
US9168994B2 Cutter rail guide, block, armature, and blade Performing Operations; Transporting 4 Active
US9463862B2 Cutter rail guide, block, armature, and blade Performing Operations; Transporting 4 Active
US8308067B1 Structural display of visual codes Physics 3 Active
US9084005B2 Two-dimensional barcode system Electricity 3 Active
US9180955B2 Mechanical assembly for lifting a balloon Performing Operations; Transporting 2 Active
US8824859B2 Adding watermarks to video content Electricity 2 Active

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