DC

Daniel R. Crum

TI Trane International: 13 patents #24 of 658Top 4%
AS American Standard: 10 patents #26 of 558Top 5%
IU Ingersoll-Rand Industrial U.S.: 7 patents #14 of 169Top 9%
📍 Huntersville, NC: #14 of 456 inventorsTop 4%
🗺 North Carolina: #1,289 of 45,564 inventorsTop 3%
Overall (All Time): #123,366 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12146494 Multi-stage compressor having interstage lubricant injection via an injection rod Ryan D. Hartman, Ryan Coleman, Philipp Bothe 2024-11-19
12117001 Screw compressor with oil injection at multiple volume ratios Ryan Coleman, Nobin Cherian 2024-10-15
11852145 Rotary compressors with variable speed and volume control Jay H. Johnson, John R. Sauls, Gordon Powell 2023-12-26
11781547 Multi-stage compressor having interstage lubricant injection via an injection rod Ryan D. Hartman, Ryan Coleman, Philipp Bothe 2023-10-10
11732715 Screw compressor with oil injection at multiple volume ratios Ryan Coleman, Nobin Cherian 2023-08-22
11215182 Multi-stage compressor having interstage lubricant injection via an injection rod Ryan D. Hartman, Ryan Coleman, Philipp Bothe 2022-01-04
11118585 Screw compressor with oil injection at multiple volume ratios Ryan Coleman, Nobin Cherian 2021-09-14
11022117 Variable capacity screw compressor and method Dennis M. Beekman, Timothy Hagen, Dennis R. Dorman, John R. Sauls 2021-06-01
10975865 Boltless fixed scroll-to-frame joint Joseph E. Ziolkowski, Jr., Eric S. Mlsna 2021-04-13
10851786 Rotary screw compressor with atomized oil injection Ryan Coleman 2020-12-01
10851787 Compressor bearing housing drain Eric S. Mlsna, Scott J. Smerud, Scott Michael Branch 2020-12-01
10753359 Scroll compressor shaft Kenneth Raymond, George N. P. Hansen, Michael Gerard Benco 2020-08-25
10738777 Scroll compressor with partial load capacity Eric S. Mlsna, Jerry A. Rood 2020-08-11
10533556 Rotary compressors with variable speed and volume control Jay H. Johnson, John R. Sauls, Gordon Powell 2020-01-14
10451068 Tip seal Joseph E. Ziolkowski, Jr. 2019-10-22
10404117 Methods and systems to mount a rotor to a shaft Robert S. Bakkestuen, Greg Chilcote, Aaron Salesman 2019-09-03
10240603 Compressor having external shell with vibration isolation and pressure balance William B. Rockwood, Pavak Mehta, Dennis M. Beekman, Timothy G. Garvin, Rodney L. Lakowske +1 more 2019-03-26
10228148 Methods and apparatuses to isolate vibration Pavak Mehta, Todd W. Smith, Rod Lakowske 2019-03-12
10014739 Methods and systems to mount a rotor to a shaft Robert S. Bakkestuen, Greg Chilcote, Aaron Salesman 2018-07-03
7819644 Scroll compressor with crankshaft venting Alan Hv Eber 2010-10-26
6270713 Tip seal for scroll type compressors and manufacturing method therefor William L. Stichman 2001-08-07
6126422 Tip seal for scroll type compressor and manufacturing method therefor William L. Stichman 2000-10-03
6000917 Control of suction gas and lubricant flow in a scroll compressor Scott J. Smerud, Bill P. Simmons 1999-12-14
5772411 Gas flow and lubrication of a scroll compressor Bill P. Simmons, Arlo F. Teegarden, Jerry A. Rood, Peter A. Kotlarek 1998-06-30
5533875 Scroll compressor having a frame and open sleeve for controlling gas and lubricant flow Bill P. Simmons, Arlo F. Teegarden, Jerry A. Rood, Peter A. Kotlarek 1996-07-09