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KNAPP BROTHERS MFG COMPANY

Overview
  • Total Patents
    27
About

KNAPP BROTHERS MFG COMPANY has a total of 27 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and furniture and games are CORRADI S P A, ZAHNER ROMAN and MITJAVILA RAYMOND.

Patent filings in countries

World map showing KNAPP BROTHERS MFG COMPANYs patent filings in countries
# Country Total Patents
#1 United States 26
#2 Canada 1

Patent filings per year

Chart showing KNAPP BROTHERS MFG COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Knapp George A 11
#2 Thomas Wingate S 7
#3 Lloyd Albert L 3
#4 Peck Percy D 3
#5 Knapp George S 3
#6 Spies Thomas Wingate 2
#7 Branson Samuel J 1
#8 Swiney Everett E 1

Latest patents

Publication Filing date Title
US2057204A Metallic baseboard construction
US2052033A Metallic baseboard construction
US2094551A Wall blackboard construction
US1996114A Composite ground
US2036054A Wire carrying base screed
US1963662A Wire carrying base
US1975657A Combined metal door casing and plaster retaining means
US1629848A Attaching means for building trims
US1694673A Plaster casing
US1674418A Anchor for plaster casings
US1562665A Carpet stretcher and the like
US1674439A Metal trim for windows
US1519745A Carpet fastener
US1553965A Building construction and the like
US1553964A Building construction and the like
US1646666A Building construction and the like
US1528801A Carpet fastener
US1520782A Wall construction
US1490701A Supporting clip
US1520826A Metal facing for door and window openings