P

Inventor

SITTER JR DAVID N

US24 patents
⚠️ This page may combine multiple inventors who share the name “SITTER JR DAVID N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RAYTHEON CO

15 patents
US11640079B2May 2, 2023

Beam splitter with switchable output beam

RAYTHEON CO2 citations73
US10330929B2Jun 25, 2019

Cross-band apochromatic correction and applications in the LWIR and SWIR bands

RAYTHEON CO3 citations73
US10001636B2Jun 19, 2018

Optical configurations for optical field mappings for back-scanned and line-scanned imagers

RAYTHEON CO3 citations73
US9482853B2Nov 1, 2016

Afocal telescope configured as three or four mirror anastigmat for back-scanned imagery

RAYTHEON CO5 citations73
US10754038B2Aug 25, 2020

Laser beam projection system with dynamic phase compensation

RAYTHEON CO2 citations71
US10401499B2Sep 3, 2019

Laser beam projection system with dynamic phase compensation

RAYTHEON CO4 citations71
US12292547B2May 6, 2025

Athermal infrared optical telescope and method for manufacturing

RAYTHEON CO0 citations62
US11567309B2Jan 31, 2023

On-axis four mirror anastigmat telescope

RAYTHEON CO1 citations62
US11874378B2Jan 16, 2024

System for coherent imaging in dynamic engagements

RAYTHEON CO0 citations61
US10996336B2May 4, 2021

System for coherent imaging in dynamic engagements

RAYTHEON CO0 citations61
US10502951B2Dec 10, 2019

High-performance beam director for high-power laser systems or other systems

RAYTHEON CO1 citations60
US10969578B2Apr 6, 2021

Unobscured five-mirror afocal telescope

RAYTHEON CO0 citations52
US10690903B2Jun 23, 2020

Optical configurations for optical field mappings for back-scanned and line-scanned imagers

RAYTHEON CO0 citations52
US10379337B2Aug 13, 2019

Optical configurations for optical field mappings for back-scanned and line-scanned imagers

RAYTHEON CO0 citations52
US10394007B2Aug 27, 2019

Reflective optical configurations with prescribed optical field mappings for back-scanned imagers

RAYTHEON CO0 citations41

ARETE ASSOCIATES

4 patents

LOCKHEED MARTIN ENERGY RES COR

2 patents

MARTIN MARIETTA ENERGY SYSTEMS

1 patent

AMERICAN IRON AND STEEL INST

1 patent

SITTER JR DAVID N

1 patent