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ZEYFANG FREDERICK W

Overview
  • Total Patents
    15
About

ZEYFANG FREDERICK W has a total of 15 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, machines and packaging and shipping are PROTECTIVE IND INC, MATSUMURA TSUGIO and JIANGSU HONGYUAN PIPES CO LTD.

Patent filings in countries

World map showing ZEYFANG FREDERICK Ws patent filings in countries

Patent filings per year

Chart showing ZEYFANG FREDERICK Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zeyfang Frederick W 15
#2 Sardini William H 2
#3 Mayo Brian Lyle 1
#4 Caselli Darrel M 1

Latest patents

Publication Filing date Title
US2014124056A1 Wrap-around gas bottle valve body protective device
US2014060689A1 Threaded plug for hammer union and assembly thereof
US2012234430A1 Flange protector and lug
US2012227854A1 Open ended industrial pipe cap with recessed finger grip
US2013153079A1 Flange protector and masking device
US2011210134A1 Gas bottle valve body protective device
US2011008557A1 "Compression-molded silicone rubber cap and plug"
US2010200102A1 Two-piece pipe end cap
US2011126935A1 Flange protector
US2010229436A1 Color-coded gas cylinder collar
US2006278653A1 Center pull tab plug with sealing flange