Inventor · Butler, PA, US

John L. Geibel

14Patents
3h-index
15Co-inventors
57Inventor score

Filing activity: Jan 29, 1998 → May 17, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6306310A Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes Performing Operations; Transporting 11 Expired
US6312611A Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes Performing Operations; Transporting 8 Expired
US8323514B2 Method and system for cleaning filter media support structures Performing Operations; Transporting 4 Active
US8357295B2 Adjustable anchor rod Performing Operations; Transporting 3 Active
US9764259B2 Grout support installation method for filter underdrain system Emerging Cross-Sectional Technologies 2 Active
USD773018S1 Wall adaptor for filter underdrain General 2 Active
US10881990B2 Filter media retainer and underdrain system having a filter media retainer Performing Operations; Transporting 2 Active
US10881989B2 Self-cleaning, groutless, filter underdrain Performing Operations; Transporting 2 Active
US10913014B2 Multiple rate filter underdrain lateral gas metering plate Performing Operations; Transporting 2 Active
US8226834B2 Apparatus and method for distributing gas and liquid during backwash in filter underdrain flumes using dual separation Performing Operations; Transporting 1 Active
US8657122B2 Clog resistant media retainer assembly Performing Operations; Transporting 1 Active
US10525382B2 Grout support installation method for filter underdrain system Emerging Cross-Sectional Technologies 1 Active
US10173150B2 Wall adaptor for filter underdrain Performing Operations; Transporting 1 Active
US9199186B2 Underdrain flume plate Emerging Cross-Sectional Technologies 0 Active

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