PL

Peter A. Ligman

LI Ligchine International: 12 patents #1 of 7Top 15%
📍 Darien, WI: #1 of 11 inventorsTop 10%
🗺 Wisconsin: #3,173 of 40,088 inventorsTop 8%
Overall (All Time): #332,765 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12378082 Portable telescopic conveyor belt Bradley Alan Davis, Carey A. Zielinski 2025-08-05
12270159 Swing boom concrete screeding apparatus 2025-04-08
12123152 Side-step concrete screeding apparatus 2024-10-22
11946208 Swing boom concrete screeding apparatus 2024-04-02
11885078 Drive system for screeding concrete Gary Ligman 2024-01-30
11788304 Electronically actuated leveling system for screeding concrete Gary Ligman 2023-10-17
11560727 Apparatus for screeding concrete Gary Ligman 2023-01-24
11162232 Drive system for screeding concrete Gary Ligman 2021-11-02
10233658 Multi-rotational concrete screed apparatus for screeding concrete 2019-03-19
9909267 Paver head assembly 2018-03-06
9708780 Track drive apparatus for screeding concrete 2017-07-18
9404272 Track drive apparatus for screeding concrete 2016-08-02
9297171 Track drive apparatus for screeding concrete 2016-03-29
8152409 Apparatus for screeding concrete 2012-04-10