Portfolio comparison
Weatherford Technology Holdings LLC vs Columbia Network Security Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Weatherford Technology Holdings LLC
Patents indexed
1
Year range
2025
Most recent
2025
energymechanicaltelecommunications
Top Patents1 enriched
US 12497890· 2025
How Oil Wells Send Acoustic Signals Using Mechanical Hammers
Activity by Decade
2020s1
Company B
Columbia Network Security Inc
Patents indexed
1
Year range
2019
Most recent
2019
consumer_electronicstelecommunicationsmechanical
Top Patents1 enriched
US 10241750· 2019
How to Trick Your Phone Into Muting Its Own Microphone
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.