How many patents does
Weatherford/Lamb have?
patents
5,712
families
919
granted
1,839
applications
3,873
US
1,489
EP
800
GB
509
WO
352
CN
36
JP
8
RoW
2,518
Buy the report
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
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
Weatherford/Lamb
Top ten assignees appearing on patents
Weatherford/Lamb
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| sliding sleeve having contracting, segmented ball seat | 60 | 2012 |
| tubular handling apparatus | 51 | 2008 |
| anchoring seal | 38 | 2011 |
| continuous flow drilling systems and methods | 38 | 2007 |
| apparatus for gripping a tubular on a drilling rig | 37 | 2005 |
| calculating downhole cards in deviated wells | 35 | 2011 |
| tools and methods for hanging and/or expanding liner strings | 35 | 2008 |
| top drive system | 29 | 2007 |
| downhole deployment valves | 27 | 2007 |
| method and apparatus for a wellbore assembly | 27 | 2009 |