Inventor · Medina, MN, US

William P. Kroll

35Patents
11h-index
15Co-inventors
72Inventor score

Filing activity: Feb 3, 1987 → Aug 31, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5646376A Aircraft weighing scale with improved base, platform and load cell mounting assembly Emerging Cross-Sectional Technologies 29 Expired
US5894112A Weighing scale apparatus Physics 26 Expired
US4775018A Load cell assembly Physics 24 Expired
US5232064A Weighing scale assembly Physics 20 Expired
US4979581A Low profile wheel scale assembly Physics 19 Expired
US7040153B2 Tire inflation gauge technology Physics 17 Expired
USD741816S1 Portable, hand-held controller and indicator General 16 Active
US4813504A Load cell structure Physics 15 Expired
US7137417B2 Tire inflation technology Performing Operations; Transporting 14 Expired
US7423225B1 Weigh in motion technology Physics 13 Expired
US4714121A Wheel scale assembly Physics 12 Expired
US6199427A Apparatus and method for testing leaf springs Physics 9 Expired
US5228527A Force measurement assembly Physics 9 Expired
US6269688A Apparatus and method for testing tires Physics 9 Expired
US6314657A Apparatus and method for gauging the ride height of a vehicle Physics 6 Expired
US9279712B2 Low profile load cells for use with a scale Physics 6 Active
US7659484B2 Retrofit electronic weighing technology for pallet moving devices Physics 6 Expired
US5664379A Stairway step assembly Human Necessities 5 Expired
US6047594A Digital turn plate apparatus Physics 5 Expired
US9354105B2 Strip scale technology Physics 5 Active
US5924249A Stairway step assembly Human Necessities 5 Expired
US7119287B2 Platform scale with under-platform mounted load cell protection cases for reducing side forces Emerging Cross-Sectional Technologies 5 Expired
US10969266B2 Weigh scale technology Physics 2 Active
USD731344S1 Strip load cell General 2 Active
US6397657B1 Apparatus and method for testing torsion bars Physics 2 Expired

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