RH

Robert C. Hoffman

UA US Army: 11 patents #169 of 6,974Top 3%
QS Qwint Systems: 4 patents #1 of 4Top 25%
WH Whirlpool: 3 patents #1,188 of 3,480Top 35%
📍 Coloma, MI: #5 of 48 inventorsTop 15%
🗺 Michigan: #4,680 of 86,293 inventorsTop 6%
Overall (All Time): #247,015 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12344987 Drying rack for a laundry treating appliance Jason R. Spears 2025-07-01
11414809 Drying rack for a laundry treating appliance Jason R. Spears 2022-08-16
10731288 Drying rack for a laundry treating appliance Jason R. Spears 2020-08-04
10018857 High-speed wide field-of-view electro-optic system and method Shizhuo Yin 2018-07-10
9817253 High-speed wide field-of-view electro-optic system and method Shizhuo Yin 2017-11-14
9051177 Active optical limiting semiconductor device and method with active region transparent to light becoming opaque when not biased 2015-06-09
8371705 Mirrors and methods of making same 2013-02-12
8363300 Large aperture polymer electro-optic shutter device and method of manufacturing same Timothy Pritchett 2013-01-29
8315283 Wavelength selectable laser systems and related methods 2012-11-20
8159738 Large aperture polymer electro-optic shutter device and method of manufacturing same Timothy Pritchett 2012-04-17
7756175 Pumped semiconductor laser systems and methods 2010-07-13
7751109 Electro-optic shutter Timothy Pritchett 2010-07-06
7646797 Use of current channeling in multiple node laser systems and methods thereof 2010-01-12
5409548 Ferroelectric detector array utilizing material and fabrication technique 1995-04-25
D267566 Inked tape cartridge 1983-01-11
D262796 Teleprinter 1982-01-26
4300845 Dot matrix print head Donald P. Martin, Richard H. Kruse 1981-11-17
4300847 Teleprinter having single belt carriage and ribbon drive system Richard H. Kruse, Donald P. Martin 1981-11-17