Learn more

H P PATENTS AND PROCESSES COMPANY INC

Overview
  • Total Patents
    17
About

H P PATENTS AND PROCESSES COMPANY INC has a total of 17 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States and Canada. Its main competitors in its focus markets optics and furniture and games are VOIGTLAENDER & SOHN AG, JOHAN BERGGREN PER and DIMENSIONAL DEV CORP.

Patent filings in countries

World map showing H P PATENTS AND PROCESSES COMPANY INCs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 2

Patent filings per year

Chart showing H P PATENTS AND PROCESSES COMPANY INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Furniture and games

Top inventors

# Name Total Patents
#1 Hochstetter Frederick W 15
#2 Featherstone Willard B 2
#3 Pryce Edmund Hugh 1

Latest patents

Publication Filing date Title
CA185009A Shutter for cameras
US1247273A Shutter and color-screen device for moving-picture machines.
US1301265A Color-filter for moving-picture machines.
US1301264A Light-regulator for projecting moving pictures.
CA185006A Shutter for moving pictures
US1255421A Cinematographic device.
US1094148A Shutter for moving-picture machines.
US1094147A Shutter for moving-picture machines.
US1207042A Composition of matter for developing and fixing photographic exposures.
US1115538A Shutter mechanism for moving-picture machines.
US1188074A Shutter for cameras.
US1137320A Shutter for moving-picture machines.
US1080692A Shiftable screen for moving pictures.
US1226663A Device for exhibiting moving pictures.
US1080691A Stage-scenery apparatus.
US1145410A Photographic film.
US1126188A Motion-picture film.