Steam-heated roll
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 12, 1997
Grant Date -
N/A
app pub date -
Apr 1, 1996
filing date -
Mar 4, 1994
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
The invention relates to a steam-heated roll and a roll body having a central bore and peripheral axially parallel drilled passages for guiding the steam, and having at least one bolted-on flange pin with a central bore and connecting passages between the central bore of the flange pin and the ports of the peripheral drilled passages of the roll body at the flange pin, which is characterized by the connecting passages branching from the central bore of the flange pin in the flange pin to a plurality of ports of the peripheral drilled passages.
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)
- SCHWABISCHE HUTTENWERKE GMBH
International Classification(s)

- 1996 Application Filing Year
- F28D Class
- 146 Applications Filed
- 70 Patents Issued To-Date
- 47.95 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Zaoralek, Heinz-Michael | Konigsbronn, DE | 23 | 96 |
# of filed Patents : 23 Total Citations : 96 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 8 Citation Count
- F28D Class
- 2.38 % this patent is cited more than
- 28 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

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Jan 27, 2023 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Jan 23, 2019 | 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 |
Aug 04, 2015 | I | Issuance | |
Jul 15, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Feb 27, 2014 | P | Published | |
Feb 14, 2013 | F | Filing | |
Dec 07, 2006 | PD | Priority Date |

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