Learn more

SPERBER HENRY

Overview
  • Total Patents
    28
About

SPERBER HENRY has a total of 28 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Canada, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, machines and packaging and shipping are PAWLING CORP, BOSTWICK STEEL LATH COMPANY and GOLVABIA AB.

Patent filings per year

Chart showing SPERBER HENRYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sperber Henry 26

Latest patents

Publication Filing date Title
EP1350905A1 Device and method for delivery of wet insulation and for controlling its density
WO02066542A2 Insulating a building using insulating particles with foam and a web
CA2380790A1 Independently controllable multi-output insulation blowing machine
AU1931200A Forming layered structures
IL120642D0 Method for insulating a cavity
WO9707043A1 Loose material combining and depositing apparatus
WO9424199A1 Method and apparatus for insulating a cavity
IL120642A Method for insulating a cavity
CA2109848A1 Method for Applying a Foamed Fiber Insulation
US5287674A Method and apparatus for containing insulation using a barrier assembly
US5131590A Fibrous sprayed insulation having homogeneous density
US4978252A Material feeding apparatus using pressurized air
CA1260667A Method and apparatus for containing insulation using netting
US4768710A Fibrous blown-in insulation having homogenous density
US4648920A Process for manufacturing batt-type insulation from loose fibrous particles
US4530468A Reduced fiber insulation nozzle
US4111493A Feeding apparatus for a pneumatic conveying system