Learn more

PRESTON ENGRAVERS INC

Overview
  • Total Patents
    25
About

PRESTON ENGRAVERS INC has a total of 25 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, machines and mechanical elements are COM IND MAQUINARIA CARTON ONDU, BIERREBI SPA and ROBUD.

Patent filings in countries

World map showing PRESTON ENGRAVERS INCs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 10

Patent filings per year

Chart showing PRESTON ENGRAVERS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kesten Martin 22
#2 Johnson Arthur R 4
#3 Edwards Richard L 4
#4 O'Connor Ralph Bruce 2
#5 Carlson Jr Leroy H 2
#6 Tevald Frank W 2
#7 O'Connor Ralph B 1
#8 Kesten M 1
#9 Hudon Administrator By Paul A 1
#10 Kwader Gary L 1

Latest patents

Publication Filing date Title
US4613321A Diecutting roll system with improved scrap disposal capability
US4599926A Rotary cutting dies with vacuum assist to cut and clear waste
US4542671A Assembly for rotary die cutting utilizing a shaftless roll
US4455903A Adjustable anvil roll
US4507996A Device for transferring and monitoring load to die roll
US4452116A Assembly for rotary die cutting utilizing a shaftless roll
US4191077A Bearing block with air supply passage
US4159655A Adjustable eccentric
US4165666A Apparatus for synchronizing advance of web and rotational speed of bucket or like method
US4143597A Resilient plate clamping means
US3861260A Double bucket die cutting assembly
US3766814A Air eject die-cutting assembly
CA967478A Air eject die cutting assembly
US3698272A Rotary air eject die-cutting assembly
US3698271A Adjustable air eject die-cutting assembly
US3548928A Heat transfer device