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HARPER INT CORP

Overview
  • Total Patents
    34
About

HARPER INT CORP has a total of 34 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea, Taiwan and United States. Its main competitors in its focus markets thermal processes, textiles and paper and chemical engineering are BANDINI FRANCO, YAMASHIRO KAZUMI and SHERWEN ENGINEERING CO LTD.

Patent filings per year

Chart showing HARPER INT CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stry William J 18
#2 Bagwell Renee M 13
#3 Gwin Jason A 8
#4 Witting Peter R 6
#5 Purdy Jeffrey E 6
#6 Mccormick Edward V 5
#7 Vander Weide Carl H 5
#8 Weide Carl Vander 4
#9 Dover Bruce J 4
#10 Dover Bruce 3

Latest patents

Publication Filing date Title
TW201339528A Oven for fiber heat treatment
TW201303227A Airflow distribution system
CN103052849A Airflow distribution system
WO2010080990A2 Automatic feed oven
KR20110020251A Overhung rotary tube furnace
WO2007081611A2 Muffle furnace cleaning assembly
US6464493B2 Multi-axis rotary seal system
EP1162281A1 Continous single stage process for the production of molybdenum metal
US6569222B2 Continuous single stage process for the production of molybdenum metal
US6514072B1 Method of processing carbon fibers
US6328558B1 Purge chamber
EP1079190A1 Graphite rotary tube furnace