Duncan Parking Technologies, Inc.

États‑Unis d’Amérique

 
Quantité totale PI 23
Rang # Quantité totale PI 61 738
Note d'activité PI 1,7/5.0    9
Rang # Activité PI 99 998

Brevets

Marques

23 0
0 0
0 0
0
 
Dernier brevet 2023 - Control system for wireless comm...
Premier brevet 1988 - Meter handle mechanism

Derniers inventions, produits et services

2023 Invention Control system for wireless communication parking meter. An electronic parking meter mechanism i...
2022 Invention Single space electronic parking meter with meter housing mounted vehicle sensor. An upper parking...
2021 Invention Advanced parking management system. A parking management system includes a roadside unit having a...
2020 Invention Directional speed and distance sensor. A method of using a directional sensor for the purposes o...
Invention Advanced parking management system. A parking management system that facilitates motorist guidan...
2019 Invention Control system for wireless communication parking meter. An electronic parking meter mechanism is...
2018 Invention Advanced parking management system. A parking management system that facilitates motorist guidanc...
Invention Single space electronic parking meter with meter housing mounted vehicle sensor. An upper parkin...
2016 Invention Electronic parking meter mechanism with wireless communication antenna. An electronic single-spa...
2015 Invention Parking meter housing
Invention System and method for direct transfer of electronic parking meter data. A single space electronic...
Invention Parking meter mechanism
Invention Electronic parking meter mechanism with wireless communication antenna. An electronic single-spac...
2012 Invention Wireless communication parking meter system and method. A parking system is provided. The parking...
Invention Multifunctional electronic parking meter. An electronic parking meter mechanism for inserting int...
Invention Electronic parking meter with vehicle sensor. An electronic single space parking meter associated...
Invention Upgraded single space parking meter and method. A method of upgrading a single space meter that i...
2000 Invention Housing for parking meter. A parking meter consisting of a housing and a stanchion located adjace...
Invention System for metering multiple parking spaces. A parking meter system consisting of a cylindrical h...
Invention Parking meter
1997 Invention Electronic parking meter operating system. An electronic parking meter operating system comprisin...
Invention Parking meter with peripheral functions. A parking meter construction having an upper and lower h...
1996 Invention Coin discrimination system. A coin-sensing system wherein at least two sensor coils are electrica...
1993 Invention Portable time metering device. A portable time metering device particularly adaptable as an in-ca...
1992 Invention Resonant coil coin detection apparatus. A coin detection apparatus is disclosed which is particul...
Invention Dual coil coin sensing apparatus. An apparatus for sensing coins is disclosed which is capable of...
Invention Coin operated timing mechanism. A coin operated timing mechanism for a parking meter and the like...
1991 Invention Low-power demodulating receiver with amplifier stages sharing the same bias current. A low-power ...
1990 Invention Chute for controlling the motion of a token moving by gravity through a token-receiving device. A...
Invention Sensor for measuring the magnetically responsive characteristics of tokens. An improved magnetic ...
1988 Invention Meter handle mechanism. A meter apparatus wherein time is purchased upon deposit of a coin or the...