Valve Body Having Primary and Secondary Stem Guides
US-2018259083-A1 · Sep 13, 2018 · US
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Feifei Ji patents
Feifei Ji is listed as an inventor on 9 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Feifei Ji |
| Total patents | 9 |
| First publication | Oct 15, 2015 |
| Latest publication | Sep 13, 2018 |
Notable patents
Publications ranked by popularity score, then publication date.
Spring Seat for an Internal Valve
US-2018259079-A1 · Sep 13, 2018 · US
Strainer Assembly for Internal Valve
US-2018259084-A1 · Sep 13, 2018 · US
Spring seat for an internal valve
US-2018259078-A1 · Sep 13, 2018 · US
Internal Valve System with Valve Inlet Positioned Relative to Container Feed Inlet
US-2018259085-A1 · Sep 13, 2018 · US
Emergency shut-off valve
US-9970568-B2 · May 15, 2018 · US
Emergency shut-off valve
US-9726293-B2 · Aug 8, 2017 · US
Emergency shut-off valve
US-2017175926-A1 · Jun 22, 2017 · US
Emergency shut-off valve
US-2015292626-A1 · Oct 15, 2015 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Emerson Process Man Regulator Technologies Inc | 9 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F16K39/024 | 5 |
| F16K17/30 | 5 |
| F16K31/52408 | 5 |
| F16K31/563 | 4 |
| F16K1/20 | 4 |