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PICKIN ROWLAND O

Overview
  • Total Patents
    16
About

PICKIN ROWLAND O has a total of 16 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and mechanical elements are DOWNHOLE PRODUCTS PLC, SPECIALISED PETROLEUM SERV LTD and RASMUSSEN CHESTER A.

Patent filings in countries

World map showing PICKIN ROWLAND Os patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 1

Patent filings per year

Chart showing PICKIN ROWLAND Os patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines
#3 Mechanical elements

Focus technologies

# Technology
#1 Earth drilling
#2 Nails
#3 Unspecified technologies

Top inventors

# Name Total Patents
#1 Pickin Rowland O 16

Latest patents

Publication Filing date Title
US2013839A Roller drilling bit
US2013838A Roller core drilling bit
US1772085A Pipe-cutting tool
US1889321A Pipe cutting tool
US1720401A Roller drill
US1760317A Drill bit
US1725299A Well reamer
US1725298A Well-drilling tool
US1973657A Well drilling bit and its process of manufacture
US1471526A Rotary orill bit
US1522593A Rotary drilling tool
US1334632A Rotary rock-drill bit
US1291114A Spring-nut.
US1254268A Core-drill.
US1254267A Drill.
CA355576A Well drilling bit