P

Inventor

SCHEFFLER DOUGLAS J

US11 patents
⚠️ This page may combine multiple inventors who share the name “SCHEFFLER DOUGLAS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC

6 patents
US9176505B2Nov 3, 2015

Backpressure regulator with easy pump start-up

EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC8 citations75
US10041602B2Aug 7, 2018

Top entry axial flow regulator

EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC3 citations71
US10920896B2Feb 16, 2021

Top entry axial flow regulator

EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC0 citations60
US9213339B2Dec 15, 2015

Fluid regulator having improved flow stability

EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC2 citations59
US10119636B2Nov 6, 2018

Trapezoidal thread form having a wear indicator and high pressure connection fitting comprising same

EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC0 citations48
US12591257B2Mar 31, 2026

Pressure regulators with pivotable valve disk assemblies

EMERSON PROCESS MAN REGULATOR TECHNOLOGIES INC0 citations43

FISHER CONTROLS INT

1 patent
US7896028B2Mar 1, 2011

Flow restricted seat ring for pressure regulators

FISHER CONTROLS INT14 citations82

ROPER DANIEL G

1 patent
US8708309B2Apr 29, 2014

Self-aligning spring seat for fluid regulator and fluid regulator comprising self-aligning spring seat

ROPER DANIEL G14 citations81

ROPER DANIEL GUNDER

1 patent
US8590858B2Nov 26, 2013

Anti-gradient cupped seat for pressure regulator

ROPER DANIEL GUNDER5 citations65

NASHERY KHASHAYAR A

1 patent
US9360131B2Jun 7, 2016

Actuator adapter plate

NASHERY KHASHAYAR A4 citations61

WEYER JR THOMAS L

1 patent
US9091366B2Jul 28, 2015

Flow restricted seat ring for pressure regulators

WEYER JR THOMAS L2 citations54