Screw compressor ice making packaged unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 22, 1994
Issued Date -
N/A
app pub date -
Dec 13, 1993
filing date -
Oct 23, 1991
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Non-US Coverage
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Forward Citations
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Abstract
A screw compressor ice making packaged unit comprises a horizontal low pressure refrigerant receiver, at least one screw compressor which is on top of the receiver and parallel thereto, two refrigerant liquid supply installations, two horizontal high pressure refrigerant vessels provided at the exterior of the supply installations, and refrigerant system pipe lines connecting all parts of the set. The central axes of the compressor, low pressure refrigerant receiver together with the supply installations and the high pressure refrigerant vessels are disposed in three levels of upper, middle and lower, and are basically lined up in the same vertical plane. All parts of the same group are arranged symmetrically with respect to the middle perpendicular plane of the ice making packaged unit.
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 | |
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LI GUANGJING | CHINA HARBOR HONGKONG WAN CHAI DISTRICT ROAD NO 28 BUILDING B8-9\/F CAUSEWAY CENTRE |
International Classification(s)

- 1993 Application Filing Year
- F25C Class
- 34 Applications Filed
- 13 Patents Issued To-Date
- 38.24 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Li, Guangjing | B8-9/F., Causeway Centre, Wanchai, HK | 3 | 3 |
# of filed Patents : 3 Total Citations : 3 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 1 Citation Count
- F25C Class
- 0 % this patent is cited more than
- 31 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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Fee | Large entity fee | small entity fee | micro entity fee |
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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
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Mar 26, 2024 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2552); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 8 |
Mar 24, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Oct 04, 2016 | I | Issuance | |
Sep 14, 2016 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 25, 2014 | P | Published | |
Apr 29, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:EISENBACHER, EGON;BUEHNER, KUNO;GROM, MANFRED;REEL/FRAME:032946/0206 Owner name: PERMA-TEC GMBH & CO.KG, GERMANY Effective Date: Apr 29, 2014 |
Dec 12, 2012 | F | Filing | |
Jan 03, 2012 | PD | Priority Date |

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