Learn more

SPEARS MFG CO

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    201,491
About

SPEARS MFG CO has a total of 22 patent applications. Its first patent ever was published in 1998. It filed its patents most often in United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, machines and civil engineering are PIPE LINE DEVELOPMENT CO, BANJO CORP and SCHEIWER ALBERT T.

Patent filings in countries

World map showing SPEARS MFG COs patent filings in countries

Patent filings per year

Chart showing SPEARS MFG COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Spears Wayne 10
#2 Swingley Douglas 8
#3 Spears Ii Robert Wayne 2
#4 Spears Ii Robert W 2
#5 Kerr Steven H 1
#6 Lunt Alan 1
#7 Littleton David E 1
#8 Miller Scott 1
#9 Artsvelyan Albert 1
#10 Bekeredjian Harry 1

Latest patents

Publication Filing date Title
US2016123507A1 Pipe connector fitting with elongate gasket and metal threads
US2016131296A1 Pipe cap
US2016131289A1 Telescoping pipe coupling
US2016097477A1 Pipe coupling
US2015059862A1 Closure fitting for containment piping
US2014239633A1 Cut-in fitting for connecting pipe
US2012285345A1 Aluminum cartridge casing for rifles
US2008012327A1 Rotatable fire sprinkler fitting
US2007056751A1 Compact fire sprinkler attachment insert
US6991268B2 Pipe fitting having over-sized strengthened starter threads
US2005229978A1 Check valve with pressure relief feature
US7178557B2 CPVC drain waste and vent fittings
US6959880B2 Pipe fitting with length adjustment
US7017951B2 Strengthened pipe fitting having encapsulated reenforcing collar
US6899127B1 Non-vibrating ball check valve
US6866305B2 Pipe fitting having strengthened starter threads
US6302446B1 Union fitting replacement nut
US6260819B1 Locking valve
US6575431B2 Weir-type diaphragm valve with raised arcuate bead
US6149107A Pipe fitting support bracket