Rotary disc valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 19, 2002
Grant Date -
N/A
app pub date -
Nov 30, 1999
filing date -
Dec 9, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rotary disc valve with a stationary valve plate provided with a vacuum connection, a rotary slide member mounted so as to be movable between first and second valve positions, wherein the slide member has a breakthrough connecting the vacuum connection to a suction opening in the first valve position, wherein the suction opening is connected to an aerating opening in the second valve position, and wherein both valve positions define a suctioning angle. The valve further includes a device for adjusting the size of the suctioning angle.
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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GRAPHA-HOLDING AG | 6052 HERGISWIL |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Sagesser, Christoph | Magenwil, CH | 6 | 12 |
# of filed Patents : 6 Total Citations : 12 | |||
Wagner, Peter | Gunzgen, CH | 213 | 4270 |
# of filed Patents : 213 Total Citations : 4270 |
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Patent Citation Ranking
- 4 Citation Count
- B65H Class
- 4.99 % this patent is cited more than
- 23 Age
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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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Jul 23, 2024 | 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 |
Jul 23, 2020 | 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 |
Feb 07, 2017 | I | Issuance | |
Jan 18, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Apr 17, 2014 | P | Published | |
Dec 24, 2013 | F | Filing | |
Sep 29, 2008 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LOWER, NATHAN P.;BOONE, ALAN P.;WILCOXON, ROSS K.;AND OTHERS;REEL/FRAME:032163/0672 Owner name: ROCKWELL COLLINS, INC., IOWA Effective Date: Sep 29, 2008 |
Aug 23, 2006 | PD | Priority Date |

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