P

Inventor

ROBISON JEFFREY C

US12 patents
⚠️ This page may combine multiple inventors who share the name “ROBISON JEFFREY C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CALDERA ENGINEERING LC

4 patents
US6523573B2Feb 25, 2003

Flash tube device

CALDERA ENGINEERING LC19 citations89
US6685167B2Feb 3, 2004

Double-seated shutoff valve

CALDERA ENGINEERING LC8 citations70
US8944408B2Feb 3, 2015

Plug head assemblies

CALDERA ENGINEERING LC3 citations59
US6695010B2Feb 24, 2004

Segmented ceramic choke

CALDERA ENGINEERING LC1 citations48

CALDERA ENGINEERING LLC

2 patents
US6793198B2Sep 21, 2004

Banded valve plug head

CALDERA ENGINEERING LLC38 citations89
US7237574B2Jul 3, 2007

Controlled dispersion multi-phase nozzle and method of making the same

CALDERA ENGINEERING LLC14 citations79

CALDERA ENG LC

2 patents
US9726294B2Aug 8, 2017

Plug head assemblies

CALDERA ENG LC0 citations48
US9458940B2Oct 4, 2016

Plug head assemblies

CALDERA ENG LC0 citations48

CALDERA ENG L C

2 patents
US12546407B2Feb 10, 2026

Blast tube assemblies

CALDERA ENG L C0 citations47
US12416365B2Sep 16, 2025

Nonmetal valve seat housing

CALDERA ENG L C0 citations36

ROBISON JEFFREY C

2 patents
US9291277B2Mar 22, 2016

Plug head assemblies

ROBISON JEFFREY C0 citations45
US8251348B2Aug 28, 2012

Choke transfer valve trim

ROBISON JEFFREY C1 citations44