How many patents does
The Charles Machine Works have?

patents
273
families
104
granted
99
applications
174
US
206
EP
22
CN
11
WO
8
GB
3
RoW
23

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The report contains ten-year analysis with the following sections

  • patent filing analysis
  • worldwide filing analysis
  • patent family analysis
  • application analysis
  • granted analysis
  • classification analysis
  • citation analysis

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The Charles Machine Works
Top ten assignees appearing on patents

The Charles Machine Works
The top ten patent families are

Title of patent family
(most common patent title)
Family
members
Filing
year
locator using two horizontally displaced measurement points 15 2007
trenching system 14 2009
multiple function control system for work machine 12 2006
dipole locator using multiple measurement points 11 2005
track tensioning system 8 2008
determination of remote control operator position 8 2005
system for tracking and maintaining an on-grade horizontal borehole 8 2005
compact tool carrier with articulation joint 8 2005
dual member pipe joint for a dual member drill string 6 2012
external hollow antenna 6 2014