How many patents does
Amsted Rail Company have?
patents
930
families
117
granted
239
applications
691
US
174
CN
87
EP
40
WO
30
JP
8
KR
2
RoW
589
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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 following tables are just extracts from the report
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Amsted Rail Company
Top ten assignees appearing on patents
2009 - 2018
| amsted rail company | 666 |
| asf-keystone | 43 |
| amsted rail—faiveley | 15 |
| kennametal | 11 |
| amsted rehjl kompani | 8 |
| brenco | 6 |
| ellcon national | 5 |
| rftrax | 5 |
| griffin wheel company | 4 |
| temper corporation | 4 |
2018
| amsted rail company | 83 |
| asf-keystone | 6 |
| amsted rail—faiveley | 3 |
| ellcon national | 1 |
Amsted Rail Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| railroad train monitoring system | 23 | 2005 |
| cast steel railway wheel | 20 | 2012 |
| method of manufacturing a roller bearing seal | 17 | 2011 |
| sensor interface | 17 | 2006 |
| forming a mold for steel casting | 16 | 2013 |
| multi-cartridge cutting tool and railway wheel boring assembly | 16 | 2008 |
| railway truck with bearing adapter | 16 | 2008 |
| railway freight car on-board weighing system | 15 | 2014 |
| roller bearing seal | 15 | 2011 |
| roller bearing backing ring assembly | 15 | 2012 |