Learn more

BORSUM LOUIS

Overview
  • Total Patents
    20
About

BORSUM LOUIS has a total of 20 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Austria and United Kingdom. Its main competitors in its focus markets optics are JOHAN STEENBERGEN, SEIKO AIKONIKUSU KK and EMIL MECHAU.

Patent filings in countries

World map showing BORSUM LOUISs patent filings in countries
# Country Total Patents
#1 United States 14
#2 Austria 3
#3 United Kingdom 2
#4 Canada 1

Patent filings per year

Chart showing BORSUM LOUISs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Cameras

Top inventors

# Name Total Patents
#1 Borsum Louis 20

Latest patents

Publication Filing date Title
US894582A Slide for photographic-plate holders.
US916911A Photographic-plate holder.
GB190613107A Improved Photographic Roller Blind Shutter.
US867238A Photographic camera.
US835127A Photographic camera.
US858146A Photographic focal-plane shutter.
US823759A Reversible back for photographic cameras.
US914784A Photographic camera.
US858145A Photographic camera.
CA93311A Photographic camera
US766869A Photographic-plate holder.
US784028A Photographic camera.
GB190301595A Improvements in Photographic Cameras.
US741103A Focal-plane shutter.
US741102A Photographic camera.
US720659A Photographic focal-plane shutter.
US720217A Photographic camera.