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SANDY HILL CORP

Overview
  • Total Patents
    73
About

SANDY HILL CORP has a total of 73 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets textiles and paper, surface technology and coating and machines are GOLDSMITH PHILIP H, VALKAMA P J and FCPAPEL LLC.

Patent filings in countries

World map showing SANDY HILL CORPs patent filings in countries

Patent filings per year

Chart showing SANDY HILL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Keller Martin B 13
#2 Keller Martin Beat 9
#3 Cook William G 8
#4 Keller M 4
#5 Keller M B 3
#6 Smith Robert E 3
#7 Keller Martin Best 2
#8 Robert E Smith 2
#9 Irwin Gerald A 2
#10 Uiriamu Jiyooji Kutsuku 1

Latest patents

Publication Filing date Title
US5011575A Inclined multiplyformer
US4980027A Vari-flow headbox with large and small flow inlet systems
US4922776A Variable width splitter
US4675077A Adjustable means for profile correction for a headbox slice
DE3339780A1 Apparatus for the application of a controllable layer of a saturation or coating medium by means of a free-falling curtain, and process therefor
IT8323401D0 Liq. coating machine for travelling web
JPS6087874A Method and apparatus for coating through freely falling curtain while controlling impregnated layer or coating layer
GB8326795D0 Curtain coater
CA1169303A Apparatus for applying a controlled layer of a saturant or a coating via a free-falling vertical curtain
US4561937A Apparatus for trimming the edge of a web during formation using a drainage interrupting mask
US4512226A Slitting apparatus and method
US4547266A Apparatus for providing selectively differentiated vacuum across a papermaking machine width
US4427722A Apparatus for applying a controlled layer of a saturant or a coating via a free-falling vertical curtain
CA1146395A Attenuator-headbox connecting
US4167441A Papermaking machine
CH573514A5 Inclined papermaking former - with controllable stock flow velocity
NL7312838A Inclined papermaking former - with controllable stock flow velocity
FI283773A Sned formningsdel
DE2345984A1 Inclined papermaking former - with controllable stock flow velocity
CA976011A Headbox for an inclined paper making machine