Two-stage oil-injected screw air compressor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Jun 23, 2017
filing date -
Oct 28, 2016
priority date (Note) -
Published
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Abstract
A two-stage oil-injected screw air compressor includes an integrated compression casing, and the integrated compression casing further includes a first stage compression chamber, an intermediate cooling channel, and a second stage compression chamber parallel stacked in the integrated compression casing. A straightforward oil injector aims at the intermediate cooling channel to spray lubricating oil into the intermediate cooling channel.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
FUSHENG INDUSTRIAL (SHANGHAI) CO LTD | 201612 SHANGHAI CITY SONGJIANG DISTRICT NEW TOWN MINYI ROAD NO 28 MUNICIPAL DISTRICT SHANGHAI CITY 201612 | |
ALMIG KOMPRESSOREN GMBH | 73257 KÖNGEN |
International Classification(s)

- 2017 Application Filing Year
- F01M Class
- 386 Applications Filed
- 305 Patents Issued To-Date
- 79.02 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chen, Sheng-Kun | Shanghai, CN | 4 | 29 |
# of filed Patents : 4 Total Citations : 29 | |||
Lin, Yin-Ching | New Taipei, TW | 2 | 5 |
# of filed Patents : 2 Total Citations : 5 | |||
Weber, Viktor | Kenzingen, DE | 3 | 11 |
# of filed Patents : 3 Total Citations : 11 | |||
Wu, Yu-Feng | Taipei, TW | 10 | 24 |
# of filed Patents : 10 Total Citations : 24 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- F01M Class
- 0 % this patent is cited more than
- 5 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 21, 2027 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 21, 2031 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Sep 11, 2023 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Apr 21, 2020 | P | Publication | |
Apr 01, 2020 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 27, 2020 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: NOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONS |
Dec 22, 2019 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: RESPONSE AFTER FINAL ACTION FORWARDED TO EXAMINER |
Sep 18, 2019 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: FINAL REJECTION MAILED |
Jul 08, 2019 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER |
Apr 02, 2019 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: NON FINAL ACTION MAILED |
May 03, 2018 | P | Published | |
Dec 12, 2017 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: DOCKETED NEW CASE - READY FOR EXAMINATION |
Jun 28, 2017 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LIN, YIN-CHING;WEBER, VIKTOR;CHEN, SHENG-KUN;AND OTHERS;SIGNING DATES FROM 20170517 TO 20170622;REEL/FRAME:042855/0376 Owner name: FUSHENG INDUSTRIAL (SHANGHAI) CO., LTD, CHINA free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LIN, YIN-CHING;WEBER, VIKTOR;CHEN, SHENG-KUN;AND OTHERS;SIGNING DATES FROM 20170517 TO 20170622;REEL/FRAME:042855/0376 Owner name: ALMIG KOMPRESSOREN GMBH, GERMANY |
Jun 23, 2017 | F | Filing | |
Oct 28, 2016 | PD | Priority Date |

Matter Detail

Renewals Detail
