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PLUMMER WALTER A

Overview
  • Total Patents
    124
About

PLUMMER WALTER A has a total of 124 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machines, electrical machinery and energy and mechanical elements are JACOBS ARTHUR W, FED MOGUL SYSTEMS PROT GROUP and VASSALLO RES & DEV CORP.

Patent filings in countries

World map showing PLUMMER WALTER As patent filings in countries

Patent filings per year

Chart showing PLUMMER WALTER As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Plummer Walter A 52
#2 Plummer W 7
#3 Sperr Richard A 5
#4 Plummer Walter Allen 4
#5 Eichberg Frank D 4
#6 Robert Edwards Hugh 3
#7 Gillemot George W 3
#8 A Plummer Walter 3
#9 Maurer John R 2
#10 Edwards Hugh Robert 2

Latest patents

Publication Filing date Title
US4600454A Method of making and using a shielded re-enterable jacket with dielectric spacer
DE3504910A1 RE-CLOSABLE SHIELDING SHEATH FOR ELECTRIC LADDERS
US4605043A Snap-on heat insulating jacket and method for enclosing ducting
CA1248375A Pre-expanded braided sleeving
US5038663A Braided sleeving with pull cord
US4388747A One-piece molded toggle clamp
US3999399A Protective guard means for wood piling and a method of installing same under dry working conditions
US3895180A Grease filled cable splice assembly
US3896260A Powder filled cable splice assembly
ES424922A1 Device and procedure for the connection of electric cables. (Machine-translation by Google Translate, not legally binding)
US3858282A Self-locking separable seam assembly
DE2349117A1 DEVICE FOR SEALING TUBULAR SHELLS TO PROTECT PIPES, CABLES, ETC.
US3849864A Method of making bellows
US3890795A Kit of components and a method of protecting steel piling from corrosion
US3836702A Means for sealing and protecting a cable splice
US3878317A Cable splice assembly
US3925856A Self locking seam forming members
US3784730A Coupling assembly for shielded tubular jacketing
US3783086A Flattened heat reactive tubing with expanded passage
US3806299A Apparatus and method for processing heat reactive thermoplastic tubing and the product formed thereby