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GILSTAD DENNIS W

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    166,250
  • Filing trend
    ⇩ 100.0%
About

GILSTAD DENNIS W has a total of 21 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2007. It filed its patents most often in United States. Its main competitors in its focus markets machines, mechanical elements and engines, pumps and turbines are VALVEWORKS LLC, KERR MACHINE CO and MACCLATCHIE MFG COMPANY.

Patent filings in countries

World map showing GILSTAD DENNIS Ws patent filings in countries
# Country Total Patents
#1 United States 21

Patent filings per year

Chart showing GILSTAD DENNIS Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gilstad Dennis W 21
#2 Gilstad Barbara C 18
#3 Gilstad John R H 1
#4 Mcguigan Elizabeth A 1

Latest patents

Publication Filing date Title
US2018003009A1 Adaptive stimulation system
US2018042627A1 Adaptive Lithotripsy For Cancer Risk Reduction
US2017114620A1 Adaptive stimulation system
US9169707B1 Tunable down-hole stimulation array
US2015040998A1 Tunable check valve
US2014332199A1 Tunable down-hole stimulation system
US2014230928A1 Tunable check valve
US8939200B1 Tunable hydraulic stimulator
US2014144528A1 Tunable fluid end
US2014144527A1 Tunable fluid end
US2014034862A1 Tunable fluid end
US2014034863A1 Tunable fluid end
US8567754B1 Tunable Valve Assembly
US8496224B1 Tunable valve assembly
US8567753B1 Tunable valve assembly
US8550425B1 Impulse tolerant valve assembly
US8292301B1 Multifunction ring
US8292260B1 Impulse tolerant valve assembly
US8267371B1 Impulse tolerant valve body
US8210542B1 Plunger seal ring