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POWELL HERBERT S

Overview
  • Total Patents
    28
About

POWELL HERBERT S has a total of 28 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States and Canada. Its main competitors in its focus markets environmental technology, machine tools and machines are APX GROUP INC, WIMETAL SA and AP IND INC.

Patent filings in countries

World map showing POWELL HERBERT Ss patent filings in countries
# Country Total Patents
#1 United States 27
#2 Canada 1

Patent filings per year

Chart showing POWELL HERBERT Ss patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Powell Herbert S 28

Latest patents

Publication Filing date Title
US2175410A Muffler
US2187431A Method of assembling mufflers
US2097041A Tail pipe spout
US2093210A Clamping device
US2104376A Muffler
US2060116A Muffler
US1998385A Muffler for internal combustion engines
US1998386A Muffler for internal combustion engines
US1890588A Sheet metal bending machine
US1800355A Cushion joint for the springs of automobiles
US1796345A Welding machine
US1800354A Muffler for internal-combustion engines
US1739040A Machine for bending flat metal strips into spirals
US1774761A Muffler-cup-assembling machine
US1776394A Device for holding mufflers
US1727730A Machine for making chaplets
US1772730A Cushion joint for the springs of automobiles
US1731541A Welding machine
US1766145A Machine for making chaplets
US1772495A Resilient coupling