Log in
Sign up
Golden has been acquired by ComplyAdvantage.Read about it here ⟶
‌

E21B 33/068

Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells

OverviewStructured DataIssuesContributorsActivity

All edits

Edits on 16 Mar, 2022
"update inverses"
Golden AI profile picture
Golden AI
edited on 16 Mar, 2022
Edits made to:
Infobox (+1 properties)
Infobox
Child classification
‌
E21B 33/076
"Entity importer update"
Golden AI profile picture
Golden AI
edited on 16 Mar, 2022
Edits made to:
Infobox (+1 properties)
Infobox
Parent classification
‌
E21B 33/03
Edits on 5 Mar, 2022
"update inverses"
Golden AI profile picture
Golden AI
edited on 5 Mar, 2022
Edits made to:
Infobox (+1 properties)
Infobox
Child classification
‌
E21B 33/072
"Created via: Entity Importer"
Golden AI profile picture
Golden AI
created this topic on 5 Mar, 2022
Edits made to:
Infobox (+3 properties)
Description (+119 characters)
‌

 E21B 33/068

Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells

Infobox
Is a
‌
Patent classification
Classification Type
‌
Cooperative Patent Classification
Website
http://data.epo.org/linked-data/def/cpc/E21B33-068

Find more entities like E21B 33/068

Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
Open Query Tool
Access by API
Golden Query Tool
Golden logo