Inventor · Downingtown, PA, US

Joshua E. Clapper

36Patents
14h-index
36Co-inventors
81Inventor score

Filing activity: Dec 14, 1999 → Nov 22, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7003821B2 Child containment structure with ventilation panel Human Necessities 36 Expired
US6865756B2 Playard Human Necessities 29 Expired
US7824273B2 Child motion device Human Necessities 27 Active
US7568243B2 Playard Human Necessities 27 Active
US7607734B2 Child motion device Human Necessities 27 Active
US7418746B2 Playard Human Necessities 26 Expired
US7938731B2 Compartment for integrating an electronic device in a child motion device Human Necessities 21 Active
US7617550B2 Playard Human Necessities 19 Active
US7727078B2 Child seat canopy illumination and media projection Physics 19 Active
US7908686B2 Changing table for a playard Human Necessities 18 Active
US7401367B2 Playard Human Necessities 18 Expired
US8146989B2 Child soothing device with a low frequency sound chamber Human Necessities 16 Active
US8029377B2 Child motion device Human Necessities 16 Active
US6961968B2 Bassinet and changing table assembly Human Necessities 15 Expired
US7918742B2 Motor drive feedback control for a child motion device Human Necessities 14 Active
US8230536B2 Fabric fastened changing table Human Necessities 12 Active
US8187111B2 Child motion device Human Necessities 11 Active
US6660425B2 Catalyst design for VRLA batteries Emerging Cross-Sectional Technologies 4 Expired
US9200732B2 Flush joint pipe Mechanical Engineering; Lighting; Heating 3 Active
US10443204B2 System, method and apparatus for basement footer concrete forms and drainage-related components Fixed Constructions 2 Active
US11035505B2 System, method and apparatus for in-line removable pipe assembly Mechanical Engineering; Lighting; Heating 1 Active
US11543054B2 Pipe retrieval apparatus, system, and method Mechanical Engineering; Lighting; Heating 1 Active
US11098832B2 System, method and apparatus for low profile seal Mechanical Engineering; Lighting; Heating 1 Active
US10550979B2 System for conduit squeeze retainer Mechanical Engineering; Lighting; Heating 1 Active
US12203581B2 Polymer pipe, a pipe joint insert device, a pipe joint assembly, and methods of forming same Performing Operations; Transporting 1 Active

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