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ASTEC INT LTD

Overview
  • Total Patents
    569
  • GoodIP Patent Rank
    8,814
  • Filing trend
    ⇩ 6.0%
About

ASTEC INT LTD has a total of 569 patent applications. It decreased the IP activity by 6.0%. Its first patent ever was published in 1978. It filed its patents most often in United States, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, environmental technology and audio-visual technology are PAI CAPITAL LLC, VANNER INC and JITARU IONEL.

Patent filings per year

Chart showing ASTEC INT LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Phadke Vijay Gangadhar 32
#2 Sigamani James 24
#3 Markowski Piotr 22
#4 Liu Jun 19
#5 Phadke Vijay 19
#6 Smith David A 18
#7 Liu Qingfeng 17
#8 Smith David Anthony 16
#9 Wang Lin Guo 16
#10 Cheng Wing Ling 15

Latest patents

Publication Filing date Title
US10886777B1 Redundant DC input power supplies having back-feed protection
US10784767B1 Switching power converters with adaptively triggered analog-to-digital converters
US2020388433A1 Transformer Assemblies Including Electrically Conductive Shields And Lead Wires
US10602578B1 Horticulture facilities with centralized power supplies for powering LED luminaires via power transfer switches
CN112019053A Resonant converter
US2020091815A1 Control circuits with peak current limit protection for switched mode power supplies
CN111987897A High-voltage starting circuit for PFC topology, PFC circuit and AC/DC converter
US2020286670A1 Transformers Having Integrated Magnetic Structures For Power Converters
US10742123B1 Low common mode noise transformers and switch-mode DC-DC power converters
CN111527456A Switched mode power supply with configurable communication address
US10622911B1 Rectifier circuits for electrical power supplies
CN110323734A Priority load for the electric system with multiple power supplys is shared
US2020161984A1 Voltage supply for synchronous rectifier controller during low voltage output conditions
US2020033421A1 Systems and methods for automated testing of power supply units
US2018375240A1 Movable power connections for power supplies
US10224802B1 Methods for extending holdup times and/or reducing bulk capacitors in multi-stage switching power supplies
US10218284B1 DC-DC power converters including a valley skipping mode and methods of operating DC-DC power converters
CN110535343A Controller and control method and DC-to-dc converter for resonance circuit
US10224828B1 DC-DC power converters and methods of operating DC-DC power converters
CN110771021A Totem-pole bridgeless PFC power converter