Learn more

HOLDT J W VON

Overview
  • Total Patents
    159
About

HOLDT J W VON has a total of 159 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machines, packaging and shipping and audio-visual technology are SUN COAST PLASTICS INC, VICFAM PLASTICS PTY LTD and MAUSER WERKE GMBH.

Patent filings per year

Chart showing HOLDT J W VONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Von Holdt John W 77
#2 Holdt John W Von 28
#3 Von Holdt John Warren 14
#4 Holdt John Warren Von 13
#5 Jiyon Daburiyuu Fuon Horudo 9
#6 Von Holdt John W Sr 5
#7 Von Holdt John W Jr 3
#8 Jiyon Daburiyuu Buon Hoorutsut 2
#9 Holdt Jr John W Von 2
#10 Von Holdt J W 2

Latest patents

Publication Filing date Title
US6106261A Apparatus for molding a one-piece article in a single molding operation using two different plastic materials
ZA9907137B Plastic bucket and lid.
CA2494244A1 Plastic bucket and lid
IL131337D0 Plastic bucket and lid
US5798130A Adjustable mold gate
US5842593A Two part plastic container lid
US5780077A Adjustable mold gate for a hot probe member
CA2152246A1 Plastic Bucket and Lid
CA2128289A1 Container with tamper-evident lid removal means
NZ260699A Plastics snap-on lid having an annular peripheral flange with an aperture on each side of each of a plurality of spaced-apart outwardly deflectable panels
CA2111814A1 Tear-away lid and container
US6171094B1 Universal mold
US4961512A Childproof closure for large containers
US4881715A Safety lift lock with internal member
US4856977A Two stage mold centering system
US4966298A Locking container connector system
US4808106A Flex gate
US4753415A Safety lift lock
US4775130A Mold with wear member
US4982858A Container connector system