Aircraft engine with an apparatus for separating oil and a device for increasing pressure
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Dec 4, 2015
filing date -
Dec 5, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An aircraft engine having a device for separating oil from an air-oil volume flow, where a fluid volume flow with a lower oil load than the air-oil volume flow supplied to the device can be discharged from the device via a line area. The fluid volume flow can be supplied via the line area to a unit by means of which a pressure in the line area downstream of the unit can be increased.
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 | |
---|---|---|
ROLLS-ROYCE DEUTSCHLAND LTD & CO KG | ESCHENWEG 11 BLANKENFELDE-MAHLOW 15827 |
International Classification(s)

- 2015 Application Filing Year
- B64D Class
- 1670 Applications Filed
- 1327 Patents Issued To-Date
- 79.47 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Beier, Juergen | Schulzendorf, DE | 21 | 121 |
# of filed Patents : 21 Total Citations : 121 | |||
Venter, Gideon | Berlin, DE | 21 | 215 |
# of filed Patents : 21 Total Citations : 215 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 1 Citation Count
- B64D Class
- 23 % this patent is cited more than
- 7 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 13, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 13, 2029 |
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 |
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Apr 18, 2022 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Apr 18, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Mar 13, 2022 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Mar 13, 2022 |
Nov 01, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Mar 13, 2018 | I | Issuance | |
Mar 13, 2018 | PD | Priority Date | |
Feb 21, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jun 09, 2016 | P | Published | |
Feb 16, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BEIER, JUERGEN;VENTER, GIDEON;SIGNING DATES FROM 20151216 TO 20151218;REEL/FRAME:037742/0584 Owner name: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG, GERMANY |
Jan 25, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BEIER, JUERGEN;VENTER, GIDEON;SIGNING DATES FROM 20151216 TO 20151218;REEL/FRAME:037575/0646 Owner name: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG, GERMANY |
Dec 04, 2015 | F | Filing |

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