Systems for retarding the speed of a railcar
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 9, 2018
Issued Date -
N/A
app pub date -
Nov 26, 2014
filing date -
Mar 11, 2014
priority date (Note) -
In Force
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
|
Patent Longevity
|
Forward Citations
|
Abstract
A system for retarding the speed of a railcar comprises a brake; a hydraulic actuator moving the brake between a closed position in which the brake applies braking pressure on the wheel of a railcar, and an open position in which the brake does not apply braking pressure on the wheel of the railcar; a hydraulic circuit provided with a pump arrangement for supplying hydraulic fluid to the hydraulic actuator; and a control circuit coupled to the hydraulic circuit for controlling the flow of hydraulic fluid to move the brake between the closed and open positions.
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 | |
---|---|---|
PRECISION RAIL AND MFG INC | 1120 NORTH BRANCH DRIVE OAK CREEK WI 53154 |
International Classification(s)

- 2014 Application Filing Year
- B61K Class
- 40 Applications Filed
- 36 Patents Issued To-Date
- 90 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Becker, Neal W | Greenfield, US | 6 | 75 |
# of filed Patents : 6 Total Citations : 75 | |||
Majeskie, Gerard R | Waukesha, US | 2 | 4 |
# of filed Patents : 2 Total Citations : 4 | |||
Meade, Robert R | Kenosha, US | 2 | 4 |
# of filed Patents : 2 Total Citations : 4 | |||
Opelt, Kurtis James | Germantown, US | 3 | 4 |
# of filed Patents : 3 Total Citations : 4 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- B61K Class
- 77.78 % 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 |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 9, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 9, 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
- No Legal Status data available.

Matter Detail

Renewals Detail
