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DOMAN LEWIS B

Overview
  • Total Patents
    15
About

DOMAN LEWIS B has a total of 15 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States. Its main competitors in its focus markets consumer goods, engines, pumps and turbines and electrical machinery and energy are WILCOX & WHITE CO, BRAND GEORGE P and CHASE & BAKER COMPANY.

Patent filings in countries

World map showing DOMAN LEWIS Bs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing DOMAN LEWIS Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Doman Lewis B 15

Latest patents

Publication Filing date Title
US1771457A Automatic pipe organ
US1619103A Engine-controlled pneumatically-operated circuit controller
US1469409A Air-cooling system for internal-combustion engines
US1182531A Starting mechanism for gas-engines.
US1039660A Tempo-governing device for self-playing musical instruments.
US1039659A Tracker-bar.
US912940A Pneumatic self-playing musical instrument.
US1111712A Self-playing musical instrument.
US1073223A Wind-inducing device for self-playing musical instruments.
US904762A Roller for paper music-sheets.
US1039658A Tracker-bar for self-playing musical instruments.
US912939A Pneumatic self-playing musical instrument.
US875656A Self-playing musical instrument.
US1038498A Self-playing musical instrument.
US1000381A Pneumatic damper-operating mechanism.