Inventor
CRUM DANIEL R
US30 patents
⚠️ This page may combine multiple inventors who share the name “CRUM DANIEL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRANE INT INC
13 patentsUS10533556B2Jan 14, 2020
Rotary compressors with variable speed and volume control
TRANE INT INC7 citations83
US7819644B2Oct 26, 2010
Scroll compressor with crankshaft venting
TRANE INT INC15 citations80
US10975865B2Apr 13, 2021
Boltless fixed scroll-to-frame joint
TRANE INT INC2 citations69
US11852145B2Dec 26, 2023
Rotary compressors with variable speed and volume control
TRANE INT INC0 citations62
US11022117B2Jun 1, 2021
Variable capacity screw compressor and method
TRANE INT INC0 citations58
US10404117B2Sep 3, 2019
Methods and systems to mount a rotor to a shaft
TRANE INT INC1 citations57
US10451068B2Oct 22, 2019
Tip seal
TRANE INT INC1 citations53
US10014739B2Jul 3, 2018
Methods and systems to mount a rotor to a shaft
TRANE INT INC0 citations47
US10851787B2Dec 1, 2020
Compressor bearing housing drain
TRANE INT INC0 citations40
US10738777B2Aug 11, 2020
Scroll compressor with partial load capacity
TRANE INT INC0 citations40
US10240603B2Mar 26, 2019
Compressor having external shell with vibration isolation and pressure balance
TRANE INT INC0 citations36
US10228148B2Mar 12, 2019
Methods and apparatuses to isolate vibration
TRANE INT INC0 citations35
US10753359B2Aug 25, 2020
Scroll compressor shaft
TRANE INT INC0 citations33
AMERICAN STANDARD INC
9 patentsUS5533875AJul 9, 1996
Scroll compressor having a frame and open sleeve for controlling gas and lubricant flow
AMERICAN STANDARD INC104 citations96
US5129798AJul 14, 1992
Co-rotational scroll apparatus with improved scroll member biasing
AMERICAN STANDARD INC66 citations95
US6000917ADec 14, 1999
Control of suction gas and lubricant flow in a scroll compressor
AMERICAN STANDARD INC86 citations94
US5772411AJun 30, 1998
Gas flow and lubrication of a scroll compressor
AMERICAN STANDARD INC82 citations94
US5212964AMay 25, 1993
Scroll apparatus with enhanced lubricant flow
AMERICAN STANDARD INC22 citations92
US5142885ASep 1, 1992
Method and apparatus for enhanced scroll stability in a co-rotational scroll
AMERICAN STANDARD INC29 citations92
US5099658AMar 31, 1992
Co-rotational scroll apparatus with optimized coupling
AMERICAN STANDARD INC37 citations92
US5101644AApr 7, 1992
Co-rotational scroll apparatus with positive lubricant flow
AMERICAN STANDARD INC19 citations74
US6126422AOct 3, 2000
Tip seal for scroll type compressor and manufacturing method therefor
AMERICAN STANDARD INC14 citations70
INGERSOLL RAND INDUSTRIAL US INC
5 patentsUS11215182B2Jan 4, 2022
Multi-stage compressor having interstage lubricant injection via an injection rod
INGERSOLL RAND INDUSTRIAL US INC6 citations81
US11732715B2Aug 22, 2023
Screw compressor with oil injection at multiple volume ratios
INGERSOLL RAND INDUSTRIAL US INC1 citations68
US11118585B2Sep 14, 2021
Screw compressor with oil injection at multiple volume ratios
INGERSOLL RAND INDUSTRIAL US INC4 citations68
US12146494B2Nov 19, 2024
Multi-stage compressor having interstage lubricant injection via an injection rod
INGERSOLL RAND INDUSTRIAL US INC0 citations58
US12117001B2Oct 15, 2024
Screw compressor with oil injection at multiple volume ratios
INGERSOLL RAND INDUSTRIAL US INC0 citations57