Learn more

WIESENFELD ROBERT S

Overview
  • Total Patents
    11
About

WIESENFELD ROBERT S has a total of 11 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, mechanical elements and agriculture are DALLAH WATER SAVING, IP ONE PTY LTD and LEMP HERMANN.

Patent filings in countries

World map showing WIESENFELD ROBERT Ss patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2

Patent filings per year

Chart showing WIESENFELD ROBERT Ss patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wiesenfeld Robert S 11

Latest patents

Publication Filing date Title
US1575139A Fish bait or lure
US1123636A Fish-hook spreader.
US956917A Hat-guard.
US888212A Combined spigot and escape-valve.
US816141A Safety-razor.
US808131A Beer-cooler.
US797650A Beer-cooler.
US781041A Non-refillable bottle.
US760716A Beer or water cooler.
CA42020A Plate for sealing bottles
CA43239A Bottle