2023Floating Body for Preventing Volatilization and Odor Mitigation Method for Livestock Manure Using the Same

1020230123186, Korea, 2023

2023Chamber for Livestock Methane Measurement Devices

1020230108746, Korea, 2023

2022Citizen Odor Monitoring Application

1020220179220, Korea, 2022

2021Flow measuring device for livestock ventilation fan

Heekwon Ahn, Jinho Shin, 1020210156299, Korea, 2021.11.15

2019Method for Evaluating the Efficiency of an Odor Measurement and Deodorization System in a Livestock Manure Joint-Resource Facility and for Controlling the Deodorization System

Heekwon Ahn, Seunghun Lee, Jisu Wi, 1020190101590 / 1022341520000, Korea, 2019.08.20 / 2021.03.25

2018Quantitative management system of NPK nutrients for ICT-based smart farm

Myunggyu Lee, Yusik Hong, Gigwan Park, Changsik Ra, Heekwon Ahn, Kyungwoo Lee, Yonggwang Shin, Suryang Kim, 1020180049312, Korea, 2018.04.27

2018Apparatus for digesing anerobic of night soil solid state

Heekwon Ahn, Seunghun Lee, Eunjong Kim, Jisu Wi, Myungsung Lee, 1020180001145 / 1019787540000, Korea, 2018.01.04 / 2019.05.09

2018Apparatus for measuring odor and evaluating efficiency of deodorization system in animal house

Heekwon Ahn, Seunghun Lee, Jisu Wi, Eunjong Kim, Myungsung Lee, Myungcheol Shin, Hyunsoo Cho, 1020180001144 / 1020788430000, Korea, 2018.01.04 / 2020.02.12

2016FENCE APPARATUS USING BIO FILTER FOR REMOVING MALODOR GAS AND PREVENTING DUST DIFFUSION

Yonghee Yoo, Heekwon Ahn, 1020160084559 / 1019272290000, Korea, 2016.07.05 / 2018.12.04

2016A livestock manure collection and transfer apparatus applicable while livestock are present, including a spreading device for a drying agent or functional coating material with enhanced treatment effi…

Heekwon Ahn, Yongju Seong, 1020160016160 / 1018673350000, Korea, 2016.02.12 / 2018.06.07

2016COLLECTION AND REMOVAL APPARATUS FOR REMOVING MANURE OF LIVESTOCK HOUSES FOR RESIDENT LIVESTOCK

Heekwon Ahn, Yongju Seong, 1020160016153 / 1017960330000, Korea, 2016.02.12 / 2017.11.03

2015SOLID STATE ANAEROBIC DIGESTION APPARATUS USING AGITATION AND SCREEN WALL

Heekwon Ahn, Jaehee Lee, Seunghun Lee, Hyunsoo Cho, Eunjong Kim, 1020150158242 / 1017167440000, Korea, 2015.11.11 / 2017.03.09

2015HANDLED HOOK FOR REMOVING MANURE FROM LIVESTOCK HOUSES

Yongju Seong, Heekwon Ahn, 1020150112914 / 1016763490000, Korea, 2015.08.11 / 2016.11.09

2015ECO FRIENDLY MAT WITH HYDROPHOBIC AND ANTIFOULING FUNCTION FOR ANIMAL MANURE

Yongju Seong, Heekwon Ahn, 1020150098842 / 1016111820000, Korea, 2015.07.13 / 2016.04.05

2015Wet anaerobic digestion-linked hydrolysis apparatus for solid livestock manure

Heekwon Ahn, Jaehee Lee, 1020150082618 / 1016318350000, Korea, 2015.06.11 / 2016.06.14

2014ANIMAL MANURE CONTINUOUS FEEDER MACHINE FOR SOLID-STATE ANAEROBIC DIGESTION

Heekwon Ahn, Jaehee Lee, 1020140158483 / 1016962810000, Korea, 2014.11.14 / 2017.01.09

2013AUTO AERATION COMPOSTING SYSTEM BY ODOR CONCENTRATION

Donghyun Lee, Gwanghwa Jeong, Dongyun Choi, Jeonghoon Kwak, Junggon Kim, Seongbaek Cho, Heekwon Ahn, 1020130100636 / 1015101760000, Korea, 2013.08.23 / 2015.04.02

2011Sensor node, Device and Method for monitoring environmental information at the cattle burial sites

Gyuhyun Park, Junik Song, Heekwon Ahn, Dongyun Choi, Seunghak Yang, Seongbaek Cho, Okhwa Hwang, Sangcheol Lee, Yonghee Yoo, 1020110146005 / 1013884450000, Korea, 2011.12.29 / 2014.04.17

2011MOVABLE DEVICE FOR PROCESSING ORGANIC MATTERS

GwanghwaJeong, Heekwon Ahn, Jaehwan Kim, Seunghee Cho, Jeonghoon Kwak, Sangcheol Lee, 1020110032444 / 1010995990000, Korea, 2011.04.08 / 2011.12.21