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KENNETH DONALD MACKENZIE

Overview
  • Total Patents
    29
About

KENNETH DONALD MACKENZIE has a total of 29 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United Kingdom. Its main competitors in its focus markets civil engineering, machine tools and packaging and shipping are SERGRAM, HOERMANN BELGIE NV and GLASBAU HEINRICH HAHN.

Patent filings in countries

World map showing KENNETH DONALD MACKENZIEs patent filings in countries
# Country Total Patents
#1 United Kingdom 29

Patent filings per year

Chart showing KENNETH DONALD MACKENZIEs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB516107A Improvements in and relating to panelled metallic partitions, walls and the like
GB515791A Improvements in and relating to sliding and pivoted windows, doors and the like
GB476547A Improvements in and relating to devices for securing glass panes or other panels in window frames and the like
GB492538A Improvements in and relating to door frames
GB467961A Improvements in and relating to locking devices for pivoted window sashes and the like
GB485294A Improvements in and relating to devices for securing glass panes in window frames and the like
GB454412A Improvements in and relating to hinged ventilators of the hopper type
GB454286A Improvements in and relating to sectional sheet metal walls or partitions for buildings, ships and other structures
GB438315A Improvements in and relating to pivoted windows, ventilators and the like
GB449414A Improvements in and relating to pivoted windows, ventilators and the like
GB416678A Improvements in metal-faced composite sheets
GB377746A Improvements in and relating to zinc or zinc coated metal sheets and other articles
GB361649A Improvements in and relating to stair structures
GB330760A Improvements in and relating to corrugated sheet metal tubular structures
GB326350A Improvements in and relating to pivots for swinging casements and the like
GB320489A Improvements in and relating to sheet metal cisterns, tanks, bins, boxes, drawers and the like
GB299583A Improvements in and relating to the method of and means for joining together corrugated metal sheets
GB277472A Improvements in and relating to sheet metal structures
GB273787A Improvements in building slabs and in buildings and other structures
GB253272A Improvements in and relating to the manufacture of sheet metal plates having dove tail channels