Heavy hydrocarbon removal from a natural gas stream
US-9631864-B2 · Apr 25, 2017 · US
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Chen Fei patents
Chen Fei holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Jan 20, 2015 |
| Latest publication | Apr 25, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Network video messaging
US-9251317-B2 · Feb 2, 2016 · US
Laser scan unit for an imaging device
US-9052513-B2 · Jun 9, 2015 · US
System and method for displaying call flows and call statistics
US-8938059-B2 · Jan 20, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Heavy hydrocarbon removal from a natural gas stream
US-9631864-B2 · Apr 25, 2017 · US
Network video messaging
US-9251317-B2 · Feb 2, 2016 · US
Laser scan unit for an imaging device
US-9052513-B2 · Jun 9, 2015 · US
System and method for displaying call flows and call statistics
US-8938059-B2 · Jan 20, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G02B26/10 | 1 |
| G03G15/04072 | 1 |
| G03G2215/0145 | 1 |
| H04M2215/0188 | 1 |
| H04M15/58 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Physics | 2 |
| Electricity | 2 |
| Chemistry & Metallurgy | 1 |
| Mechanical Engineering | 1 |