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DRAKE ROBERT Z

Overview
  • Total Patents
    19
About

DRAKE ROBERT Z has a total of 19 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping, civil engineering and chemical engineering are DE LA CHEVROTIERE ALEXANDRE, THE 2ND ENG CO LTD OF CHINA RAILWAY 18TH BUREAU GROUP CO LTD and TIDFORE HEAVY INDUSTRY MFG CO LTD.

Patent filings in countries

World map showing DRAKE ROBERT Zs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 4

Patent filings per year

Chart showing DRAKE ROBERT Zs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Drake Robert Z 19

Latest patents

Publication Filing date Title
US2635729A Apparatus for handling and storing lumber
US2095319A Apparatus for and method of seasoning lumber
US1863087A Means for handling lumber
US1730128A Grab
US1588950A Lumber-unloading mechanism for seasoning houses
US1588949A Means for moving and storing lumber
US1521933A Building construction
US1472055A Stabilizing means for bridges
US1461795A Bridge-reenforcing means
US1718221A Seasoning process for lumber
US1472054A Unloading machine
US1474513A Bridge construction
US1471149A Lumber moving and storage means
US1485491A Tap bolt and operating cap therefor
US1425320A Bridge shoe
CA270414A Lumber unloading mechanism for seasoning houses
CA280061A Means of moving and storing lumber
CA253166A Means for moving and storing lumber
CA253167A Lumber unloading mechanism for seasoning houses