Patent assignee · US · COMPANY

Keith Manufacturing Co.

26Patents
25Active
26Granted
49Portfolio score

Filing activity: Feb 13, 1978 → Jul 11, 2022 · 10 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7556141B2 Cellular base structure for a reciprocating slat conveyor Performing Operations; Transporting 12 Active
US7461738B1 Reciprocating slat conveyors Performing Operations; Transporting 11 Active
US8006828B2 Reciprocating slat conveyor with moving slats between fixed slats Performing Operations; Transporting 8 Active
US9278812B2 Wear strip assembly for reciprocating conveyor Performing Operations; Transporting 8 Active
US9090193B2 Moving cleanout for reciprocating conveyor system Performing Operations; Transporting 7 Active
US8083052B2 V-slat reciprocating slat conveyors Performing Operations; Transporting 7 Active
US7398873B2 Releasable connection between members Emerging Cross-Sectional Technologies 6 Active
US8708636B2 Reciprocating slat for use adjacent to trailer wall Performing Operations; Transporting 6 Active
US7815037B2 Lifting/holding slats for a slat conveyor Performing Operations; Transporting 4 Active
US9963298B2 All-steel reciprocating floor slat system Performing Operations; Transporting 4 Active
US8424674B2 Slat conveyor with fixed and movable slats Performing Operations; Transporting 4 Active
US7604109B2 Releasable connection between members Emerging Cross-Sectional Technologies 4 Active
US7789218B2 Drive/frame assembly for a reciprocating slat conveyor Performing Operations; Transporting 3 Active
US10087011B2 Chain rail loading system Performing Operations; Transporting 2 Active
US4182604A Blocking machine Emerging Cross-Sectional Technologies 2 Expired
US7736114B2 Releasable connection between members Emerging Cross-Sectional Technologies 2 Active
US9187257B2 V-slat reciprocating slat conveyors Human Necessities 2 Active
US9969559B2 Attachment plate for all-steel reciprocating floor slat system Performing Operations; Transporting 2 Active
US11383934B2 Gap filler for reciprocating floor slat conveyor Performing Operations; Transporting 1 Active
US10112779B2 All-steel reciprocating floor slat system Performing Operations; Transporting 0 Active
US10351349B2 Chain rail unloading system Performing Operations; Transporting 0 Active
US10472177B2 Extruded chain rail for loading system Performing Operations; Transporting 0 Active
US10124962B2 Attachment plate for all-steel reciprocating floor slat system Performing Operations; Transporting 0 Active
US10611579B2 End plug for floor slat Performing Operations; Transporting 0 Active
US11987449B2 Gap filler for reciprocating floor slat conveyor Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.