Learn more

HARVEY WILLIAM A

Overview
  • Total Patents
    12
About

HARVEY WILLIAM A has a total of 12 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and machines are HENRY HYMAN & CO INC, CHONGQING MINGKAI TECH DEV CO LTD and ERNST RADEMACHER.

Patent filings in countries

World map showing HARVEY WILLIAM As patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing HARVEY WILLIAM As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harvey William A 12

Latest patents

Publication Filing date Title
US1639774A Portable regulatable lamp
US1613169A Anchoring means for lighting fixtures
US1708882A Handle
US1438826A Portable electric lamp
US1409948A Combined resistance element and regulator
US1380143A Portable electric lamp
US1339847A Electrical appliance
US1209152A Lamp attachment for dry cells.
US1218553A Fuse-carrier.
US998895A Electric lamp.
US981646A Electromagnetic display apparatus.
US729335A Mechanism for operating snap or rotary switches.